145710140

素因数分解:

$2^2\times 5^1\times {\mathrm{7285507}}^1$

素因数の和:7285516

約数の個数: 12

約数和(自身を含む): 305991336

約数和(自身を除く): 160281196

約数列:

[1, 2, 4, 5, 10, 20, 7285507, 14571014, 29142028, 36427535, 72855070, 145710140]

約数ペア:

[(1, 145710140), (2, 72855070), (4, 36427535), (5, 29142028), (10, 14571014), (20, 7285507)]