88680625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{12899}}^1$

素因数の和:12930

約数の個数: 20

約数和(自身を含む): 120898800

約数和(自身を除く): 32218175

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 6875, 12899, 64495, 141889, 322475, 709445, 1612375, 3547225, 8061875, 17736125, 88680625]

約数ペア:

[(1, 88680625), (5, 17736125), (11, 8061875), (25, 3547225), (55, 1612375), (125, 709445), (275, 322475), (625, 141889), (1375, 64495), (6875, 12899)]