67919375

素因数分解:

$5^4\times {\mathrm{271}}^1\times {\mathrm{401}}^1$

素因数の和:692

約数の個数: 20

約数和(自身を含む): 85397664

約数和(自身を除く): 17478289

約数列:

[1, 5, 25, 125, 271, 401, 625, 1355, 2005, 6775, 10025, 33875, 50125, 108671, 169375, 250625, 543355, 2716775, 13583875, 67919375]

約数ペア:

[(1, 67919375), (5, 13583875), (25, 2716775), (125, 543355), (271, 250625), (401, 169375), (625, 108671), (1355, 50125), (2005, 33875), (6775, 10025)]