2651806040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{392279}}^1$

素因数の和:392316

約数の個数: 48

約数和(自身を含む): 6460851600

約数和(自身を除く): 3809045560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 392279, 784558, 1569116, 1961395, 3138232, 3922790, 5099627, 7845580, 10199254, 15691160, 20398508, 25498135, 40797016, 50996270, 66295151, 101992540, 132590302, 203985080, 265180604, 331475755, 530361208, 662951510, 1325903020, 2651806040]

約数ペア:

[(1, 2651806040), (2, 1325903020), (4, 662951510), (5, 530361208), (8, 331475755), (10, 265180604), (13, 203985080), (20, 132590302), (26, 101992540), (40, 66295151), (52, 50996270), (65, 40797016), (104, 25498135), (130, 20398508), (169, 15691160), (260, 10199254), (338, 7845580), (520, 5099627), (676, 3922790), (845, 3138232), (1352, 1961395), (1690, 1569116), (3380, 784558), (6760, 392279)]