42204740

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13441}}^1$

素因数の和:13607

約数の個数: 24

約数和(自身を含む): 89201112

約数和(自身を除く): 46996372

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 13441, 26882, 53764, 67205, 134410, 268820, 2110237, 4220474, 8440948, 10551185, 21102370, 42204740]

約数ペア:

[(1, 42204740), (2, 21102370), (4, 10551185), (5, 8440948), (10, 4220474), (20, 2110237), (157, 268820), (314, 134410), (628, 67205), (785, 53764), (1570, 26882), (3140, 13441)]