17406320

素因数分解:

$2^4\times 5^1\times {\mathrm{217579}}^1$

素因数の和:217592

約数の個数: 20

約数和(自身を含む): 40469880

約数和(自身を除く): 23063560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 217579, 435158, 870316, 1087895, 1740632, 2175790, 3481264, 4351580, 8703160, 17406320]

約数ペア:

[(1, 17406320), (2, 8703160), (4, 4351580), (5, 3481264), (8, 2175790), (10, 1740632), (16, 1087895), (20, 870316), (40, 435158), (80, 217579)]