40018010

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{7681}}^1$

素因数の和:8209

約数の個数: 16

約数和(自身を含む): 72180072

約数和(自身を除く): 32162062

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 7681, 15362, 38405, 76810, 4001801, 8003602, 20009005, 40018010]

約数ペア:

[(1, 40018010), (2, 20009005), (5, 8003602), (10, 4001801), (521, 76810), (1042, 38405), (2605, 15362), (5210, 7681)]