79788025

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 101779200

約数和(自身を除く): 21991175

約数列:

[1, 5, 25, 71, 79, 355, 395, 569, 1775, 1975, 2845, 5609, 14225, 28045, 40399, 44951, 140225, 201995, 224755, 1009975, 1123775, 3191521, 15957605, 79788025]

約数ペア:

[(1, 79788025), (5, 15957605), (25, 3191521), (71, 1123775), (79, 1009975), (355, 224755), (395, 201995), (569, 140225), (1775, 44951), (1975, 40399), (2845, 28045), (5609, 14225)]