542788025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{983}}^1\times {\mathrm{1699}}^1$

素因数の和:2705

約数の個数: 24

約数和(自身を含む): 725995200

約数和(自身を除く): 183207175

約数列:

[1, 5, 13, 25, 65, 325, 983, 1699, 4915, 8495, 12779, 22087, 24575, 42475, 63895, 110435, 319475, 552175, 1670117, 8350585, 21711521, 41752925, 108557605, 542788025]

約数ペア:

[(1, 542788025), (5, 108557605), (13, 41752925), (25, 21711521), (65, 8350585), (325, 1670117), (983, 552175), (1699, 319475), (4915, 110435), (8495, 63895), (12779, 42475), (22087, 24575)]