90521080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{174079}}^1$

素因数の和:174103

約数の個数: 32

約数和(自身を含む): 219340800

約数和(自身を除く): 128819720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 174079, 348158, 696316, 870395, 1392632, 1740790, 2263027, 3481580, 4526054, 6963160, 9052108, 11315135, 18104216, 22630270, 45260540, 90521080]

約数ペア:

[(1, 90521080), (2, 45260540), (4, 22630270), (5, 18104216), (8, 11315135), (10, 9052108), (13, 6963160), (20, 4526054), (26, 3481580), (40, 2263027), (52, 1740790), (65, 1392632), (104, 870395), (130, 696316), (260, 348158), (520, 174079)]