521013160

素因数分解:

$2^3\times 5^1\times {\mathrm{13025329}}^1$

素因数の和:13025340

約数の個数: 16

約数和(自身を含む): 1172279700

約数和(自身を除く): 651266540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13025329, 26050658, 52101316, 65126645, 104202632, 130253290, 260506580, 521013160]

約数ペア:

[(1, 521013160), (2, 260506580), (4, 130253290), (5, 104202632), (8, 65126645), (10, 52101316), (20, 26050658), (40, 13025329)]