2080610120

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{397063}}^1$

素因数の和:397205

約数の個数: 32

約数和(自身を含む): 4717120320

約数和(自身を除く): 2636510200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 397063, 794126, 1588252, 1985315, 3176504, 3970630, 7941260, 15882520, 52015253, 104030506, 208061012, 260076265, 416122024, 520152530, 1040305060, 2080610120]

約数ペア:

[(1, 2080610120), (2, 1040305060), (4, 520152530), (5, 416122024), (8, 260076265), (10, 208061012), (20, 104030506), (40, 52015253), (131, 15882520), (262, 7941260), (524, 3970630), (655, 3176504), (1048, 1985315), (1310, 1588252), (2620, 794126), (5240, 397063)]