72774220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{59651}}^1$

素因数の和:59721

約数の個数: 24

約数和(自身を含む): 155333808

約数和(自身を除く): 82559588

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 59651, 119302, 238604, 298255, 596510, 1193020, 3638711, 7277422, 14554844, 18193555, 36387110, 72774220]

約数ペア:

[(1, 72774220), (2, 36387110), (4, 18193555), (5, 14554844), (10, 7277422), (20, 3638711), (61, 1193020), (122, 596510), (244, 298255), (305, 238604), (610, 119302), (1220, 59651)]