80456875

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:265

約数の個数: 40

約数和(自身を含む): 109090080

約数和(自身を除く): 28633205

約数列:

[1, 5, 23, 25, 29, 115, 125, 145, 193, 575, 625, 667, 725, 965, 2875, 3335, 3625, 4439, 4825, 5597, 14375, 16675, 18125, 22195, 24125, 27985, 83375, 110975, 120625, 128731, 139925, 416875, 554875, 643655, 699625, 2774375, 3218275, 3498125, 16091375, 80456875]

約数ペア:

[(1, 80456875), (5, 16091375), (23, 3498125), (25, 3218275), (29, 2774375), (115, 699625), (125, 643655), (145, 554875), (193, 416875), (575, 139925), (625, 128731), (667, 120625), (725, 110975), (965, 83375), (2875, 27985), (3335, 24125), (3625, 22195), (4439, 18125), (4825, 16675), (5597, 14375)]