61822820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71887}}^1$

素因数の和:71939

約数の個数: 24

約数和(自身を含む): 132849024

約数和(自身を除く): 71026204

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 71887, 143774, 287548, 359435, 718870, 1437740, 3091141, 6182282, 12364564, 15455705, 30911410, 61822820]

約数ペア:

[(1, 61822820), (2, 30911410), (4, 15455705), (5, 12364564), (10, 6182282), (20, 3091141), (43, 1437740), (86, 718870), (172, 359435), (215, 287548), (430, 143774), (860, 71887)]