49996960

素因数分解:

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

素因数の和:127

約数の個数: 108

約数和(自身を含む): 130946382

約数和(自身を除く): 80949422

約数列:

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

約数ペア:

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