31500979330

素因数分解:

$2^1\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{1580581}}^1$

素因数の和:1582581

約数の個数: 16

約数和(自身を含む): 56730249144

約数和(自身を除く): 25229269814

約数列:

[1, 2, 5, 10, 1993, 3986, 9965, 19930, 1580581, 3161162, 7902905, 15805810, 3150097933, 6300195866, 15750489665, 31500979330]

約数ペア:

[(1, 31500979330), (2, 15750489665), (5, 6300195866), (10, 3150097933), (1993, 15805810), (3986, 7902905), (9965, 3161162), (19930, 1580581)]