42977180

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13687}}^1$

素因数の和:13853

約数の個数: 24

約数和(自身を含む): 90833568

約数和(自身を除く): 47856388

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 13687, 27374, 54748, 68435, 136870, 273740, 2148859, 4297718, 8595436, 10744295, 21488590, 42977180]

約数ペア:

[(1, 42977180), (2, 21488590), (4, 10744295), (5, 8595436), (10, 4297718), (20, 2148859), (157, 273740), (314, 136870), (628, 68435), (785, 54748), (1570, 27374), (3140, 13687)]