16612580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11699}}^1$

素因数の和:11779

約数の個数: 24

約数和(自身を含む): 35380800

約数和(自身を除く): 18768220

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 11699, 23398, 46796, 58495, 116990, 233980, 830629, 1661258, 3322516, 4153145, 8306290, 16612580]

約数ペア:

[(1, 16612580), (2, 8306290), (4, 4153145), (5, 3322516), (10, 1661258), (20, 830629), (71, 233980), (142, 116990), (284, 58495), (355, 46796), (710, 23398), (1420, 11699)]