1989650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3061}}^1$

素因数の和:3086

約数の個数: 24

約数和(自身を含む): 3986724

約数和(自身を除く): 1997074

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 3061, 6122, 15305, 30610, 39793, 76525, 79586, 153050, 198965, 397930, 994825, 1989650]

約数ペア:

[(1, 1989650), (2, 994825), (5, 397930), (10, 198965), (13, 153050), (25, 79586), (26, 76525), (50, 39793), (65, 30610), (130, 15305), (325, 6122), (650, 3061)]