66039940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{46507}}^1$

素因数の和:46587

約数の個数: 24

約数和(自身を含む): 140640192

約数和(自身を除く): 74600252

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 46507, 93014, 186028, 232535, 465070, 930140, 3301997, 6603994, 13207988, 16509985, 33019970, 66039940]

約数ペア:

[(1, 66039940), (2, 33019970), (4, 16509985), (5, 13207988), (10, 6603994), (20, 3301997), (71, 930140), (142, 465070), (284, 232535), (355, 186028), (710, 93014), (1420, 46507)]