28486640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:96

約数の個数: 180

約数和(自身を含む): 85367304

約数和(自身を除く): 56880664

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 43, 49, 52, 56, 65, 70, 80, 86, 91, 98, 104, 112, 130, 140, 169, 172, 182, 196, 208, 215, 245, 260, 280, 301, 338, 344, 364, 392, 430, 455, 490, 520, 559, 560, 602, 637, 676, 688, 728, 784, 845, 860, 910, 980, 1040, 1118, 1183, 1204, 1274, 1352, 1456, 1505, 1690, 1720, 1820, 1960, 2107, 2236, 2366, 2408, 2548, 2704, 2795, 3010, 3185, 3380, 3440, 3640, 3913, 3920, 4214, 4472, 4732, 4816, 5096, 5590, 5915, 6020, 6370, 6760, 7267, 7280, 7826, 8281, 8428, 8944, 9464, 10192, 10535, 11180, 11830, 12040, 12740, 13520, 14534, 15652, 16562, 16856, 18928, 19565, 21070, 22360, 23660, 24080, 25480, 27391, 29068, 31304, 33124, 33712, 36335, 39130, 41405, 42140, 44720, 47320, 50869, 50960, 54782, 58136, 62608, 66248, 72670, 78260, 82810, 84280, 94640, 101738, 109564, 116272, 132496, 136955, 145340, 156520, 165620, 168560, 203476, 219128, 254345, 273910, 290680, 313040, 331240, 356083, 406952, 438256, 508690, 547820, 581360, 662480, 712166, 813904, 1017380, 1095640, 1424332, 1780415, 2034760, 2191280, 2848664, 3560830, 4069520, 5697328, 7121660, 14243320, 28486640]

約数ペア:

[(1, 28486640), (2, 14243320), (4, 7121660), (5, 5697328), (7, 4069520), (8, 3560830), (10, 2848664), (13, 2191280), (14, 2034760), (16, 1780415), (20, 1424332), (26, 1095640), (28, 1017380), (35, 813904), (40, 712166), (43, 662480), (49, 581360), (52, 547820), (56, 508690), (65, 438256), (70, 406952), (80, 356083), (86, 331240), (91, 313040), (98, 290680), (104, 273910), (112, 254345), (130, 219128), (140, 203476), (169, 168560), (172, 165620), (182, 156520), (196, 145340), (208, 136955), (215, 132496), (245, 116272), (260, 109564), (280, 101738), (301, 94640), (338, 84280), (344, 82810), (364, 78260), (392, 72670), (430, 66248), (455, 62608), (490, 58136), (520, 54782), (559, 50960), (560, 50869), (602, 47320), (637, 44720), (676, 42140), (688, 41405), (728, 39130), (784, 36335), (845, 33712), (860, 33124), (910, 31304), (980, 29068), (1040, 27391), (1118, 25480), (1183, 24080), (1204, 23660), (1274, 22360), (1352, 21070), (1456, 19565), (1505, 18928), (1690, 16856), (1720, 16562), (1820, 15652), (1960, 14534), (2107, 13520), (2236, 12740), (2366, 12040), (2408, 11830), (2548, 11180), (2704, 10535), (2795, 10192), (3010, 9464), (3185, 8944), (3380, 8428), (3440, 8281), (3640, 7826), (3913, 7280), (3920, 7267), (4214, 6760), (4472, 6370), (4732, 6020), (4816, 5915), (5096, 5590)]