67684640

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3881}}^1$

素因数の和:4005

約数の個数: 48

約数和(自身を含む): 161413560

約数和(自身を除く): 93728920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 3881, 4360, 7762, 8720, 15524, 17440, 19405, 31048, 38810, 62096, 77620, 124192, 155240, 310480, 423029, 620960, 846058, 1692116, 2115145, 3384232, 4230290, 6768464, 8460580, 13536928, 16921160, 33842320, 67684640]

約数ペア:

[(1, 67684640), (2, 33842320), (4, 16921160), (5, 13536928), (8, 8460580), (10, 6768464), (16, 4230290), (20, 3384232), (32, 2115145), (40, 1692116), (80, 846058), (109, 620960), (160, 423029), (218, 310480), (436, 155240), (545, 124192), (872, 77620), (1090, 62096), (1744, 38810), (2180, 31048), (3488, 19405), (3881, 17440), (4360, 15524), (7762, 8720)]