72283840

素因数分解:

$2^6\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1999}}^1$

素因数の和:2129

約数の個数: 56

約数和(自身を含む): 173736000

約数和(自身を除く): 101452160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 160, 226, 320, 452, 565, 904, 1130, 1808, 1999, 2260, 3616, 3998, 4520, 7232, 7996, 9040, 9995, 15992, 18080, 19990, 31984, 36160, 39980, 63968, 79960, 127936, 159920, 225887, 319840, 451774, 639680, 903548, 1129435, 1807096, 2258870, 3614192, 4517740, 7228384, 9035480, 14456768, 18070960, 36141920, 72283840]

約数ペア:

[(1, 72283840), (2, 36141920), (4, 18070960), (5, 14456768), (8, 9035480), (10, 7228384), (16, 4517740), (20, 3614192), (32, 2258870), (40, 1807096), (64, 1129435), (80, 903548), (113, 639680), (160, 451774), (226, 319840), (320, 225887), (452, 159920), (565, 127936), (904, 79960), (1130, 63968), (1808, 39980), (1999, 36160), (2260, 31984), (3616, 19990), (3998, 18080), (4520, 15992), (7232, 9995), (7996, 9040)]