13068125

素因数分解:

$5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 40

約数和(自身を含む): 19493760

約数和(自身を除く): 6425635

約数列:

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

約数ペア:

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