38398980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{639983}}^1$

素因数の和:639995

約数の個数: 24

約数和(自身を含む): 107517312

約数和(自身を除く): 69118332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 639983, 1279966, 1919949, 2559932, 3199915, 3839898, 6399830, 7679796, 9599745, 12799660, 19199490, 38398980]

約数ペア:

[(1, 38398980), (2, 19199490), (3, 12799660), (4, 9599745), (5, 7679796), (6, 6399830), (10, 3839898), (12, 3199915), (15, 2559932), (20, 1919949), (30, 1279966), (60, 639983)]