64999360

素因数分解:

$2^6\times 5^1\times {\mathrm{229}}^1\times {\mathrm{887}}^1$

素因数の和:1133

約数の個数: 56

約数和(自身を含む): 155630880

約数和(自身を除く): 90631520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 229, 320, 458, 887, 916, 1145, 1774, 1832, 2290, 3548, 3664, 4435, 4580, 7096, 7328, 8870, 9160, 14192, 14656, 17740, 18320, 28384, 35480, 36640, 56768, 70960, 73280, 141920, 203123, 283840, 406246, 812492, 1015615, 1624984, 2031230, 3249968, 4062460, 6499936, 8124920, 12999872, 16249840, 32499680, 64999360]

約数ペア:

[(1, 64999360), (2, 32499680), (4, 16249840), (5, 12999872), (8, 8124920), (10, 6499936), (16, 4062460), (20, 3249968), (32, 2031230), (40, 1624984), (64, 1015615), (80, 812492), (160, 406246), (229, 283840), (320, 203123), (458, 141920), (887, 73280), (916, 70960), (1145, 56768), (1774, 36640), (1832, 35480), (2290, 28384), (3548, 18320), (3664, 17740), (4435, 14656), (4580, 14192), (7096, 9160), (7328, 8870)]