63656920

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{1571}}^1$

素因数の和:2595

約数の個数: 32

約数和(自身を含む): 143460720

約数和(自身を除く): 79803800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 1571, 2026, 3142, 4052, 5065, 6284, 7855, 8104, 10130, 12568, 15710, 20260, 31420, 40520, 62840, 1591423, 3182846, 6365692, 7957115, 12731384, 15914230, 31828460, 63656920]

約数ペア:

[(1, 63656920), (2, 31828460), (4, 15914230), (5, 12731384), (8, 7957115), (10, 6365692), (20, 3182846), (40, 1591423), (1013, 62840), (1571, 40520), (2026, 31420), (3142, 20260), (4052, 15710), (5065, 12568), (6284, 10130), (7855, 8104)]