109811960

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{25657}}^1$

素因数の和:25775

約数の個数: 32

約数和(自身を含む): 249395760

約数和(自身を除く): 139583800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 25657, 51314, 102628, 128285, 205256, 256570, 513140, 1026280, 2745299, 5490598, 10981196, 13726495, 21962392, 27452990, 54905980, 109811960]

約数ペア:

[(1, 109811960), (2, 54905980), (4, 27452990), (5, 21962392), (8, 13726495), (10, 10981196), (20, 5490598), (40, 2745299), (107, 1026280), (214, 513140), (428, 256570), (535, 205256), (856, 128285), (1070, 102628), (2140, 51314), (4280, 25657)]