12688100

素因数分解:

$2^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{701}}^1$

素因数の和:896

約数の個数: 36

約数和(自身を含む): 27724788

約数和(自身を除く): 15036688

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 181, 362, 701, 724, 905, 1402, 1810, 2804, 3505, 3620, 4525, 7010, 9050, 14020, 17525, 18100, 35050, 70100, 126881, 253762, 507524, 634405, 1268810, 2537620, 3172025, 6344050, 12688100]

約数ペア:

[(1, 12688100), (2, 6344050), (4, 3172025), (5, 2537620), (10, 1268810), (20, 634405), (25, 507524), (50, 253762), (100, 126881), (181, 70100), (362, 35050), (701, 18100), (724, 17525), (905, 14020), (1402, 9050), (1810, 7010), (2804, 4525), (3505, 3620)]