1856557840

素因数分解:

$2^4\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{19069}}^1$

素因数の和:20299

約数の個数: 40

約数和(自身を含む): 4320270360

約数和(自身を除く): 2463712520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1217, 2434, 4868, 6085, 9736, 12170, 19069, 19472, 24340, 38138, 48680, 76276, 95345, 97360, 152552, 190690, 305104, 381380, 762760, 1525520, 23206973, 46413946, 92827892, 116034865, 185655784, 232069730, 371311568, 464139460, 928278920, 1856557840]

約数ペア:

[(1, 1856557840), (2, 928278920), (4, 464139460), (5, 371311568), (8, 232069730), (10, 185655784), (16, 116034865), (20, 92827892), (40, 46413946), (80, 23206973), (1217, 1525520), (2434, 762760), (4868, 381380), (6085, 305104), (9736, 190690), (12170, 152552), (19069, 97360), (19472, 95345), (24340, 76276), (38138, 48680)]