7158640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2137

約数の個数: 40

約数和(自身を含む): 17039088

約数和(自身を除く): 9880448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2081, 3440, 4162, 8324, 10405, 16648, 20810, 33296, 41620, 83240, 89483, 166480, 178966, 357932, 447415, 715864, 894830, 1431728, 1789660, 3579320, 7158640]

約数ペア:

[(1, 7158640), (2, 3579320), (4, 1789660), (5, 1431728), (8, 894830), (10, 715864), (16, 447415), (20, 357932), (40, 178966), (43, 166480), (80, 89483), (86, 83240), (172, 41620), (215, 33296), (344, 20810), (430, 16648), (688, 10405), (860, 8324), (1720, 4162), (2081, 3440)]