64090525

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 81807264

約数和(自身を除く): 17716739

約数列:

[1, 5, 25, 67, 83, 335, 415, 461, 1675, 2075, 2305, 5561, 11525, 27805, 30887, 38263, 139025, 154435, 191315, 772175, 956575, 2563621, 12818105, 64090525]

約数ペア:

[(1, 64090525), (5, 12818105), (25, 2563621), (67, 956575), (83, 772175), (335, 191315), (415, 154435), (461, 139025), (1675, 38263), (2075, 30887), (2305, 27805), (5561, 11525)]