64216750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19759}}^1$

素因数の和:19789

約数の個数: 32

約数和(自身を含む): 129467520

約数和(自身を除く): 65250770

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 19759, 39518, 98795, 197590, 256867, 493975, 513734, 987950, 1284335, 2469875, 2568670, 4939750, 6421675, 12843350, 32108375, 64216750]

約数ペア:

[(1, 64216750), (2, 32108375), (5, 12843350), (10, 6421675), (13, 4939750), (25, 2568670), (26, 2469875), (50, 1284335), (65, 987950), (125, 513734), (130, 493975), (250, 256867), (325, 197590), (650, 98795), (1625, 39518), (3250, 19759)]