42741620

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{11939}}^1$

素因数の和:12127

約数の個数: 24

約数和(自身を含む): 90266400

約数和(自身を除く): 47524780

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 11939, 23878, 47756, 59695, 119390, 238780, 2137081, 4274162, 8548324, 10685405, 21370810, 42741620]

約数ペア:

[(1, 42741620), (2, 21370810), (4, 10685405), (5, 8548324), (10, 4274162), (20, 2137081), (179, 238780), (358, 119390), (716, 59695), (895, 47756), (1790, 23878), (3580, 11939)]