42804940

素因数分解:

$2^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1951}}^1$

素因数の和:3057

約数の個数: 24

約数和(自身を含む): 90018432

約数和(自身を除く): 47213492

約数列:

[1, 2, 4, 5, 10, 20, 1097, 1951, 2194, 3902, 4388, 5485, 7804, 9755, 10970, 19510, 21940, 39020, 2140247, 4280494, 8560988, 10701235, 21402470, 42804940]

約数ペア:

[(1, 42804940), (2, 21402470), (4, 10701235), (5, 8560988), (10, 4280494), (20, 2140247), (1097, 39020), (1951, 21940), (2194, 19510), (3902, 10970), (4388, 9755), (5485, 7804)]