28918840

素因数分解:

$2^3\times 5^1\times {\mathrm{722971}}^1$

素因数の和:722982

約数の個数: 16

約数和(自身を含む): 65067480

約数和(自身を除く): 36148640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 722971, 1445942, 2891884, 3614855, 5783768, 7229710, 14459420, 28918840]

約数ペア:

[(1, 28918840), (2, 14459420), (4, 7229710), (5, 5783768), (8, 3614855), (10, 2891884), (20, 1445942), (40, 722971)]