804548440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{123397}}^1$

素因数の和:123571

約数の個数: 32

約数和(自身を含む): 1821354480

約数和(自身を除く): 1016806040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 123397, 246794, 493588, 616985, 987176, 1233970, 2467940, 4935880, 20113711, 40227422, 80454844, 100568555, 160909688, 201137110, 402274220, 804548440]

約数ペア:

[(1, 804548440), (2, 402274220), (4, 201137110), (5, 160909688), (8, 100568555), (10, 80454844), (20, 40227422), (40, 20113711), (163, 4935880), (326, 2467940), (652, 1233970), (815, 987176), (1304, 616985), (1630, 493588), (3260, 246794), (6520, 123397)]