213984920

素因数分解:

$2^3\times 5^1\times {\mathrm{5349623}}^1$

素因数の和:5349634

約数の個数: 16

約数和(自身を含む): 481466160

約数和(自身を除く): 267481240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5349623, 10699246, 21398492, 26748115, 42796984, 53496230, 106992460, 213984920]

約数ペア:

[(1, 213984920), (2, 106992460), (4, 53496230), (5, 42796984), (8, 26748115), (10, 21398492), (20, 10699246), (40, 5349623)]