88689652990

素因数分解:

$2^1\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{4436701}}^1$

素因数の和:4438707

約数の個数: 16

約数和(自身を含む): 159721272000

約数和(自身を除く): 71031619010

約数列:

[1, 2, 5, 10, 1999, 3998, 9995, 19990, 4436701, 8873402, 22183505, 44367010, 8868965299, 17737930598, 44344826495, 88689652990]

約数ペア:

[(1, 88689652990), (2, 44344826495), (5, 17737930598), (10, 8868965299), (1999, 44367010), (3998, 22183505), (9995, 8873402), (19990, 4436701)]