15696858125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{1931921}}^1$

素因数の和:1931954

約数の個数: 20

約数和(自身を含む): 21123635148

約数和(自身を除く): 5426777023

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 1931921, 9659605, 25114973, 48298025, 125574865, 241490125, 627874325, 1207450625, 3139371625, 15696858125]

約数ペア:

[(1, 15696858125), (5, 3139371625), (13, 1207450625), (25, 627874325), (65, 241490125), (125, 125574865), (325, 48298025), (625, 25114973), (1625, 9659605), (8125, 1931921)]