90108775

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{87911}}^1$

素因数の和:87962

約数の個数: 12

約数和(自身を含む): 114461424

約数和(自身を除く): 24352649

約数列:

[1, 5, 25, 41, 205, 1025, 87911, 439555, 2197775, 3604351, 18021755, 90108775]

約数ペア:

[(1, 90108775), (5, 18021755), (25, 3604351), (41, 2197775), (205, 439555), (1025, 87911)]