25480625

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:770

約数の個数: 20

約数和(自身を含む): 32427120

約数和(自身を除く): 6946495

約数列:

[1, 5, 25, 59, 125, 295, 625, 691, 1475, 3455, 7375, 17275, 36875, 40769, 86375, 203845, 431875, 1019225, 5096125, 25480625]

約数ペア:

[(1, 25480625), (5, 5096125), (25, 1019225), (59, 431875), (125, 203845), (295, 86375), (625, 40769), (691, 36875), (1475, 17275), (3455, 7375)]