2680450120

素因数分解:

$2^3\times 5^1\times {\mathrm{3581}}^1\times {\mathrm{18713}}^1$

素因数の和:22305

約数の個数: 32

約数和(自身を含む): 6033019320

約数和(自身を除く): 3352569200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3581, 7162, 14324, 17905, 18713, 28648, 35810, 37426, 71620, 74852, 93565, 143240, 149704, 187130, 374260, 748520, 67011253, 134022506, 268045012, 335056265, 536090024, 670112530, 1340225060, 2680450120]

約数ペア:

[(1, 2680450120), (2, 1340225060), (4, 670112530), (5, 536090024), (8, 335056265), (10, 268045012), (20, 134022506), (40, 67011253), (3581, 748520), (7162, 374260), (14324, 187130), (17905, 149704), (18713, 143240), (28648, 93565), (35810, 74852), (37426, 71620)]