130625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:50

約数の個数: 20

約数和(自身を含む): 187440

約数和(自身を除く): 56815

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 625, 1045, 1375, 2375, 5225, 6875, 11875, 26125, 130625]

約数ペア:

[(1, 130625), (5, 26125), (11, 11875), (19, 6875), (25, 5225), (55, 2375), (95, 1375), (125, 1045), (209, 625), (275, 475)]