64530980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{189797}}^1$

素因数の和:189823

約数の個数: 24

約数和(自身を含む): 143487288

約数和(自身を除く): 78956308

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 189797, 379594, 759188, 948985, 1897970, 3226549, 3795940, 6453098, 12906196, 16132745, 32265490, 64530980]

約数ペア:

[(1, 64530980), (2, 32265490), (4, 16132745), (5, 12906196), (10, 6453098), (17, 3795940), (20, 3226549), (34, 1897970), (68, 948985), (85, 759188), (170, 379594), (340, 189797)]