121808840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{57457}}^1$

素因数の和:57521

約数の個数: 32

約数和(自身を含む): 279245880

約数和(自身を除く): 157437040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 57457, 114914, 229828, 287285, 459656, 574570, 1149140, 2298280, 3045221, 6090442, 12180884, 15226105, 24361768, 30452210, 60904420, 121808840]

約数ペア:

[(1, 121808840), (2, 60904420), (4, 30452210), (5, 24361768), (8, 15226105), (10, 12180884), (20, 6090442), (40, 3045221), (53, 2298280), (106, 1149140), (212, 574570), (265, 459656), (424, 287285), (530, 229828), (1060, 114914), (2120, 57457)]