42080025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43159}}^1$

素因数の和:43185

約数の個数: 24

約数和(自身を含む): 74925760

約数和(自身を除く): 32845735

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 43159, 129477, 215795, 561067, 647385, 1078975, 1683201, 2805335, 3236925, 8416005, 14026675, 42080025]

約数ペア:

[(1, 42080025), (3, 14026675), (5, 8416005), (13, 3236925), (15, 2805335), (25, 1683201), (39, 1078975), (65, 647385), (75, 561067), (195, 215795), (325, 129477), (975, 43159)]