74490320

素因数分解:

$2^4\times 5^1\times {\mathrm{931129}}^1$

素因数の和:931142

約数の個数: 20

約数和(自身を含む): 173190180

約数和(自身を除く): 98699860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 931129, 1862258, 3724516, 4655645, 7449032, 9311290, 14898064, 18622580, 37245160, 74490320]

約数ペア:

[(1, 74490320), (2, 37245160), (4, 18622580), (5, 14898064), (8, 9311290), (10, 7449032), (16, 4655645), (20, 3724516), (40, 1862258), (80, 931129)]