126800920

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{10193}}^1$

素因数の和:10515

約数の個数: 32

約数和(自身を含む): 286247520

約数和(自身を除く): 159446600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 10193, 12440, 20386, 40772, 50965, 81544, 101930, 203860, 407720, 3170023, 6340046, 12680092, 15850115, 25360184, 31700230, 63400460, 126800920]

約数ペア:

[(1, 126800920), (2, 63400460), (4, 31700230), (5, 25360184), (8, 15850115), (10, 12680092), (20, 6340046), (40, 3170023), (311, 407720), (622, 203860), (1244, 101930), (1555, 81544), (2488, 50965), (3110, 40772), (6220, 20386), (10193, 12440)]