25538825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 34372800

約数和(自身を除く): 8833975

約数列:

[1, 5, 13, 25, 65, 179, 325, 439, 895, 2195, 2327, 4475, 5707, 10975, 11635, 28535, 58175, 78581, 142675, 392905, 1021553, 1964525, 5107765, 25538825]

約数ペア:

[(1, 25538825), (5, 5107765), (13, 1964525), (25, 1021553), (65, 392905), (179, 142675), (325, 78581), (439, 58175), (895, 28535), (2195, 11635), (2327, 10975), (4475, 5707)]