12970558840

素因数分解:

$2^3\times 5^1\times {\mathrm{324263971}}^1$

素因数の和:324263982

約数の個数: 16

約数和(自身を含む): 29183757480

約数和(自身を除く): 16213198640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 324263971, 648527942, 1297055884, 1621319855, 2594111768, 3242639710, 6485279420, 12970558840]

約数ペア:

[(1, 12970558840), (2, 6485279420), (4, 3242639710), (5, 2594111768), (8, 1621319855), (10, 1297055884), (20, 648527942), (40, 324263971)]