68811875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{10009}}^1$

素因数の和:10040

約数の個数: 20

約数和(自身を含む): 93813720

約数和(自身を除く): 25001845

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 6875, 10009, 50045, 110099, 250225, 550495, 1251125, 2752475, 6255625, 13762375, 68811875]

約数ペア:

[(1, 68811875), (5, 13762375), (11, 6255625), (25, 2752475), (55, 1251125), (125, 550495), (275, 250225), (625, 110099), (1375, 50045), (6875, 10009)]