202260920

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{21157}}^1$

素因数の和:21407

約数の個数: 32

約数和(自身を含む): 457012800

約数和(自身を除く): 254751880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 21157, 42314, 84628, 105785, 169256, 211570, 423140, 846280, 5056523, 10113046, 20226092, 25282615, 40452184, 50565230, 101130460, 202260920]

約数ペア:

[(1, 202260920), (2, 101130460), (4, 50565230), (5, 40452184), (8, 25282615), (10, 20226092), (20, 10113046), (40, 5056523), (239, 846280), (478, 423140), (956, 211570), (1195, 169256), (1912, 105785), (2390, 84628), (4780, 42314), (9560, 21157)]