154375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:52

約数の個数: 20

約数和(自身を含む): 218680

約数和(自身を除く): 64305

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 247, 325, 475, 625, 1235, 1625, 2375, 6175, 8125, 11875, 30875, 154375]

約数ペア:

[(1, 154375), (5, 30875), (13, 11875), (19, 8125), (25, 6175), (65, 2375), (95, 1625), (125, 1235), (247, 625), (325, 475)]