61719125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 87360000

約数和(自身を除く): 25640875

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 247, 325, 475, 1235, 1625, 1999, 2375, 6175, 9995, 25987, 30875, 37981, 49975, 129935, 189905, 249875, 493753, 649675, 949525, 2468765, 3248375, 4747625, 12343825, 61719125]

約数ペア:

[(1, 61719125), (5, 12343825), (13, 4747625), (19, 3248375), (25, 2468765), (65, 949525), (95, 649675), (125, 493753), (247, 249875), (325, 189905), (475, 129935), (1235, 49975), (1625, 37981), (1999, 30875), (2375, 25987), (6175, 9995)]