20134873840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{110437}}^1$

素因数の和:110546

約数の個数: 80

約数和(自身を含む): 48806527968

約数和(自身を除く): 28671654128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 53, 80, 86, 106, 172, 212, 215, 265, 344, 424, 430, 530, 688, 848, 860, 1060, 1720, 2120, 2279, 3440, 4240, 4558, 9116, 11395, 18232, 22790, 36464, 45580, 91160, 110437, 182320, 220874, 441748, 552185, 883496, 1104370, 1766992, 2208740, 4417480, 4748791, 5853161, 8834960, 9497582, 11706322, 18995164, 23412644, 23743955, 29265805, 37990328, 46825288, 47487910, 58531610, 75980656, 93650576, 94975820, 117063220, 189951640, 234126440, 251685923, 379903280, 468252880, 503371846, 1006743692, 1258429615, 2013487384, 2516859230, 4026974768, 5033718460, 10067436920, 20134873840]

約数ペア:

[(1, 20134873840), (2, 10067436920), (4, 5033718460), (5, 4026974768), (8, 2516859230), (10, 2013487384), (16, 1258429615), (20, 1006743692), (40, 503371846), (43, 468252880), (53, 379903280), (80, 251685923), (86, 234126440), (106, 189951640), (172, 117063220), (212, 94975820), (215, 93650576), (265, 75980656), (344, 58531610), (424, 47487910), (430, 46825288), (530, 37990328), (688, 29265805), (848, 23743955), (860, 23412644), (1060, 18995164), (1720, 11706322), (2120, 9497582), (2279, 8834960), (3440, 5853161), (4240, 4748791), (4558, 4417480), (9116, 2208740), (11395, 1766992), (18232, 1104370), (22790, 883496), (36464, 552185), (45580, 441748), (91160, 220874), (110437, 182320)]