42159940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44851}}^1$

素因数の和:44907

約数の個数: 24

約数和(自身を含む): 90421632

約数和(自身を除く): 48261692

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 44851, 89702, 179404, 224255, 448510, 897020, 2107997, 4215994, 8431988, 10539985, 21079970, 42159940]

約数ペア:

[(1, 42159940), (2, 21079970), (4, 10539985), (5, 8431988), (10, 4215994), (20, 2107997), (47, 897020), (94, 448510), (188, 224255), (235, 179404), (470, 89702), (940, 44851)]