1998130175

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{15583}}^1$

素因数の和:15839

約数の個数: 24

約数和(自身を含む): 2597167104

約数和(自身を除く): 599036929

約数列:

[1, 5, 23, 25, 115, 223, 575, 1115, 5129, 5575, 15583, 25645, 77915, 128225, 358409, 389575, 1792045, 3475009, 8960225, 17375045, 79925207, 86875225, 399626035, 1998130175]

約数ペア:

[(1, 1998130175), (5, 399626035), (23, 86875225), (25, 79925207), (115, 17375045), (223, 8960225), (575, 3475009), (1115, 1792045), (5129, 389575), (5575, 358409), (15583, 128225), (25645, 77915)]