51642901375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{80051}}^1$

素因数の和:80476

約数の個数: 32

約数和(自身を含む): 69583760064

約数和(自身を除く): 17940858689

約数列:

[1, 5, 13, 25, 65, 125, 325, 397, 1625, 1985, 5161, 9925, 25805, 49625, 80051, 129025, 400255, 645125, 1040663, 2001275, 5203315, 10006375, 26016575, 31780247, 130082875, 158901235, 413143211, 794506175, 2065716055, 3972530875, 10328580275, 51642901375]

約数ペア:

[(1, 51642901375), (5, 10328580275), (13, 3972530875), (25, 2065716055), (65, 794506175), (125, 413143211), (325, 158901235), (397, 130082875), (1625, 31780247), (1985, 26016575), (5161, 10006375), (9925, 5203315), (25805, 2001275), (49625, 1040663), (80051, 645125), (129025, 400255)]