520176775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{829}}^1\times {\mathrm{1321}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 680301200

約数和(自身を除く): 160124425

約数列:

[1, 5, 19, 25, 95, 475, 829, 1321, 4145, 6605, 15751, 20725, 25099, 33025, 78755, 125495, 393775, 627475, 1095109, 5475545, 20807071, 27377725, 104035355, 520176775]

約数ペア:

[(1, 520176775), (5, 104035355), (19, 27377725), (25, 20807071), (95, 5475545), (475, 1095109), (829, 627475), (1321, 393775), (4145, 125495), (6605, 78755), (15751, 33025), (20725, 25099)]