40172140

素因数分解:

$2^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1831}}^1$

素因数の和:2937

約数の個数: 24

約数和(自身を含む): 84484512

約数和(自身を除く): 44312372

約数列:

[1, 2, 4, 5, 10, 20, 1097, 1831, 2194, 3662, 4388, 5485, 7324, 9155, 10970, 18310, 21940, 36620, 2008607, 4017214, 8034428, 10043035, 20086070, 40172140]

約数ペア:

[(1, 40172140), (2, 20086070), (4, 10043035), (5, 8034428), (10, 4017214), (20, 2008607), (1097, 36620), (1831, 21940), (2194, 18310), (3662, 10970), (4388, 9155), (5485, 7324)]