99993920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^2$

素因数の和:129

約数の個数: 126

約数和(自身を含む): 263971278

約数和(自身を除く): 163977358

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 130, 160, 169, 172, 208, 215, 260, 320, 338, 344, 416, 430, 520, 559, 676, 688, 832, 845, 860, 1040, 1118, 1352, 1376, 1690, 1720, 1849, 2080, 2236, 2704, 2752, 2795, 3380, 3440, 3698, 4160, 4472, 5408, 5590, 6760, 6880, 7267, 7396, 8944, 9245, 10816, 11180, 13520, 13760, 14534, 14792, 17888, 18490, 22360, 24037, 27040, 29068, 29584, 35776, 36335, 36980, 44720, 48074, 54080, 58136, 59168, 72670, 73960, 89440, 96148, 116272, 118336, 120185, 145340, 147920, 178880, 192296, 232544, 240370, 290680, 295840, 312481, 384592, 465088, 480740, 581360, 591680, 624962, 769184, 961480, 1162720, 1249924, 1538368, 1562405, 1922960, 2325440, 2499848, 3124810, 3845920, 4999696, 6249620, 7691840, 9999392, 12499240, 19998784, 24998480, 49996960, 99993920]

約数ペア:

[(1, 99993920), (2, 49996960), (4, 24998480), (5, 19998784), (8, 12499240), (10, 9999392), (13, 7691840), (16, 6249620), (20, 4999696), (26, 3845920), (32, 3124810), (40, 2499848), (43, 2325440), (52, 1922960), (64, 1562405), (65, 1538368), (80, 1249924), (86, 1162720), (104, 961480), (130, 769184), (160, 624962), (169, 591680), (172, 581360), (208, 480740), (215, 465088), (260, 384592), (320, 312481), (338, 295840), (344, 290680), (416, 240370), (430, 232544), (520, 192296), (559, 178880), (676, 147920), (688, 145340), (832, 120185), (845, 118336), (860, 116272), (1040, 96148), (1118, 89440), (1352, 73960), (1376, 72670), (1690, 59168), (1720, 58136), (1849, 54080), (2080, 48074), (2236, 44720), (2704, 36980), (2752, 36335), (2795, 35776), (3380, 29584), (3440, 29068), (3698, 27040), (4160, 24037), (4472, 22360), (5408, 18490), (5590, 17888), (6760, 14792), (6880, 14534), (7267, 13760), (7396, 13520), (8944, 11180), (9245, 10816)]