42885940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27143}}^1$

素因数の和:27231

約数の個数: 24

約数和(自身を含む): 91203840

約数和(自身を除く): 48317900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 27143, 54286, 108572, 135715, 271430, 542860, 2144297, 4288594, 8577188, 10721485, 21442970, 42885940]

約数ペア:

[(1, 42885940), (2, 21442970), (4, 10721485), (5, 8577188), (10, 4288594), (20, 2144297), (79, 542860), (158, 271430), (316, 135715), (395, 108572), (790, 54286), (1580, 27143)]