40538992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{194899}}^1$

素因数の和:194920

約数の個数: 20

約数和(自身を含む): 84586600

約数和(自身を除く): 44047608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 194899, 389798, 779596, 1559192, 2533687, 3118384, 5067374, 10134748, 20269496, 40538992]

約数ペア:

[(1, 40538992), (2, 20269496), (4, 10134748), (8, 5067374), (13, 3118384), (16, 2533687), (26, 1559192), (52, 779596), (104, 389798), (208, 194899)]