25885620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4639}}^1$

素因数の和:4685

約数の個数: 72

約数和(自身を含む): 81070080

約数和(自身を除く): 55184460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 4639, 5580, 9278, 13917, 18556, 23195, 27834, 41751, 46390, 55668, 69585, 83502, 92780, 139170, 143809, 167004, 208755, 278340, 287618, 417510, 431427, 575236, 719045, 835020, 862854, 1294281, 1438090, 1725708, 2157135, 2588562, 2876180, 4314270, 5177124, 6471405, 8628540, 12942810, 25885620]

約数ペア:

[(1, 25885620), (2, 12942810), (3, 8628540), (4, 6471405), (5, 5177124), (6, 4314270), (9, 2876180), (10, 2588562), (12, 2157135), (15, 1725708), (18, 1438090), (20, 1294281), (30, 862854), (31, 835020), (36, 719045), (45, 575236), (60, 431427), (62, 417510), (90, 287618), (93, 278340), (124, 208755), (155, 167004), (180, 143809), (186, 139170), (279, 92780), (310, 83502), (372, 69585), (465, 55668), (558, 46390), (620, 41751), (930, 27834), (1116, 23195), (1395, 18556), (1860, 13917), (2790, 9278), (4639, 5580)]