804580025

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{431}}^1\times {\mathrm{839}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 1012435200

約数和(自身を除く): 207855175

約数列:

[1, 5, 25, 89, 431, 445, 839, 2155, 2225, 4195, 10775, 20975, 38359, 74671, 191795, 361609, 373355, 958975, 1808045, 1866775, 9040225, 32183201, 160916005, 804580025]

約数ペア:

[(1, 804580025), (5, 160916005), (25, 32183201), (89, 9040225), (431, 1866775), (445, 1808045), (839, 958975), (2155, 373355), (2225, 361609), (4195, 191795), (10775, 74671), (20975, 38359)]