72650320

素因数分解:

$2^4\times 5^1\times {\mathrm{908129}}^1$

素因数の和:908142

約数の個数: 20

約数和(自身を含む): 168912180

約数和(自身を除く): 96261860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 908129, 1816258, 3632516, 4540645, 7265032, 9081290, 14530064, 18162580, 36325160, 72650320]

約数ペア:

[(1, 72650320), (2, 36325160), (4, 18162580), (5, 14530064), (8, 9081290), (10, 7265032), (16, 4540645), (20, 3632516), (40, 1816258), (80, 908129)]