2013365125

素因数分解:

$5^3\times {\mathrm{251}}^1\times {\mathrm{64171}}^1$

素因数の和:64437

約数の個数: 16

約数和(自身を含む): 2522729664

約数和(自身を除く): 509364539

約数列:

[1, 5, 25, 125, 251, 1255, 6275, 31375, 64171, 320855, 1604275, 8021375, 16106921, 80534605, 402673025, 2013365125]

約数ペア:

[(1, 2013365125), (5, 402673025), (25, 80534605), (125, 16106921), (251, 8021375), (1255, 1604275), (6275, 320855), (31375, 64171)]