868880125

素因数分解:

$5^3\times {\mathrm{107}}^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 1103880960

約数和(自身を除く): 235000835

約数列:

[1, 5, 25, 107, 125, 167, 389, 535, 835, 1945, 2675, 4175, 9725, 13375, 17869, 20875, 41623, 48625, 64963, 89345, 208115, 324815, 446725, 1040575, 1624075, 2233625, 5202875, 6951041, 8120375, 34755205, 173776025, 868880125]

約数ペア:

[(1, 868880125), (5, 173776025), (25, 34755205), (107, 8120375), (125, 6951041), (167, 5202875), (389, 2233625), (535, 1624075), (835, 1040575), (1945, 446725), (2675, 324815), (4175, 208115), (9725, 89345), (13375, 64963), (17869, 48625), (20875, 41623)]