8139040

素因数分解:

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

素因数の和:91

約数の個数: 144

約数和(自身を含む): 24349248

約数和(自身を除く): 16210208

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 43, 52, 56, 65, 70, 80, 86, 91, 104, 112, 130, 140, 160, 169, 172, 182, 208, 215, 224, 260, 280, 301, 338, 344, 364, 416, 430, 455, 520, 559, 560, 602, 676, 688, 728, 845, 860, 910, 1040, 1118, 1120, 1183, 1204, 1352, 1376, 1456, 1505, 1690, 1720, 1820, 2080, 2236, 2366, 2408, 2704, 2795, 2912, 3010, 3380, 3440, 3640, 3913, 4472, 4732, 4816, 5408, 5590, 5915, 6020, 6760, 6880, 7267, 7280, 7826, 8944, 9464, 9632, 11180, 11830, 12040, 13520, 14534, 14560, 15652, 17888, 18928, 19565, 22360, 23660, 24080, 27040, 29068, 31304, 36335, 37856, 39130, 44720, 47320, 48160, 50869, 58136, 62608, 72670, 78260, 89440, 94640, 101738, 116272, 125216, 145340, 156520, 189280, 203476, 232544, 254345, 290680, 313040, 406952, 508690, 581360, 626080, 813904, 1017380, 1162720, 1627808, 2034760, 4069520, 8139040]

約数ペア:

[(1, 8139040), (2, 4069520), (4, 2034760), (5, 1627808), (7, 1162720), (8, 1017380), (10, 813904), (13, 626080), (14, 581360), (16, 508690), (20, 406952), (26, 313040), (28, 290680), (32, 254345), (35, 232544), (40, 203476), (43, 189280), (52, 156520), (56, 145340), (65, 125216), (70, 116272), (80, 101738), (86, 94640), (91, 89440), (104, 78260), (112, 72670), (130, 62608), (140, 58136), (160, 50869), (169, 48160), (172, 47320), (182, 44720), (208, 39130), (215, 37856), (224, 36335), (260, 31304), (280, 29068), (301, 27040), (338, 24080), (344, 23660), (364, 22360), (416, 19565), (430, 18928), (455, 17888), (520, 15652), (559, 14560), (560, 14534), (602, 13520), (676, 12040), (688, 11830), (728, 11180), (845, 9632), (860, 9464), (910, 8944), (1040, 7826), (1118, 7280), (1120, 7267), (1183, 6880), (1204, 6760), (1352, 6020), (1376, 5915), (1456, 5590), (1505, 5408), (1690, 4816), (1720, 4732), (1820, 4472), (2080, 3913), (2236, 3640), (2366, 3440), (2408, 3380), (2704, 3010), (2795, 2912)]