4006990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2371}}^1$

素因数の和:2404

約数の個数: 24

約数和(自身を含む): 7813368

約数和(自身を除く): 3806378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2371, 4742, 11855, 23710, 30823, 61646, 154115, 308230, 400699, 801398, 2003495, 4006990]

約数ペア:

[(1, 4006990), (2, 2003495), (5, 801398), (10, 400699), (13, 308230), (26, 154115), (65, 61646), (130, 30823), (169, 23710), (338, 11855), (845, 4742), (1690, 2371)]