7904920

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2381}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 18007920

約数和(自身を除く): 10103000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 2381, 3320, 4762, 9524, 11905, 19048, 23810, 47620, 95240, 197623, 395246, 790492, 988115, 1580984, 1976230, 3952460, 7904920]

約数ペア:

[(1, 7904920), (2, 3952460), (4, 1976230), (5, 1580984), (8, 988115), (10, 790492), (20, 395246), (40, 197623), (83, 95240), (166, 47620), (332, 23810), (415, 19048), (664, 11905), (830, 9524), (1660, 4762), (2381, 3320)]