128215100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{98627}}^1$

素因数の和:98654

約数の個数: 36

約数和(自身を含む): 299631864

約数和(自身を除く): 171416764

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 98627, 197254, 394508, 493135, 986270, 1282151, 1972540, 2465675, 2564302, 4931350, 5128604, 6410755, 9862700, 12821510, 25643020, 32053775, 64107550, 128215100]

約数ペア:

[(1, 128215100), (2, 64107550), (4, 32053775), (5, 25643020), (10, 12821510), (13, 9862700), (20, 6410755), (25, 5128604), (26, 4931350), (50, 2564302), (52, 2465675), (65, 1972540), (100, 1282151), (130, 986270), (260, 493135), (325, 394508), (650, 197254), (1300, 98627)]