180800425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{42793}}^1$

素因数の和:42829

約数の個数: 18

約数和(自身を含む): 242770362

約数和(自身を除く): 61969937

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 42793, 213965, 556309, 1069825, 2781545, 7232017, 13907725, 36160085, 180800425]

約数ペア:

[(1, 180800425), (5, 36160085), (13, 13907725), (25, 7232017), (65, 2781545), (169, 1069825), (325, 556309), (845, 213965), (4225, 42793)]