51668405

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{2447}}^1$

素因数の和:2596

約数の個数: 16

約数和(自身を含む): 64157184

約数和(自身を除く): 12488779

約数列:

[1, 5, 41, 103, 205, 515, 2447, 4223, 12235, 21115, 100327, 252041, 501635, 1260205, 10333681, 51668405]

約数ペア:

[(1, 51668405), (5, 10333681), (41, 1260205), (103, 501635), (205, 252041), (515, 100327), (2447, 21115), (4223, 12235)]