65340625

素因数分解:

$5^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 97493760

約数和(自身を除く): 32153135

約数列:

[1, 5, 7, 25, 29, 35, 103, 125, 145, 175, 203, 515, 625, 721, 725, 875, 1015, 2575, 2987, 3125, 3605, 3625, 4375, 5075, 12875, 14935, 18025, 18125, 20909, 21875, 25375, 64375, 74675, 90125, 90625, 104545, 126875, 321875, 373375, 450625, 522725, 634375, 1866875, 2253125, 2613625, 9334375, 13068125, 65340625]

約数ペア:

[(1, 65340625), (5, 13068125), (7, 9334375), (25, 2613625), (29, 2253125), (35, 1866875), (103, 634375), (125, 522725), (145, 450625), (175, 373375), (203, 321875), (515, 126875), (625, 104545), (721, 90625), (725, 90125), (875, 74675), (1015, 64375), (2575, 25375), (2987, 21875), (3125, 20909), (3605, 18125), (3625, 18025), (4375, 14935), (5075, 12875)]