142736240

素因数分解:

$2^4\times 5^1\times {\mathrm{1784203}}^1$

素因数の和:1784216

約数の個数: 20

約数和(自身を含む): 331861944

約数和(自身を除く): 189125704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1784203, 3568406, 7136812, 8921015, 14273624, 17842030, 28547248, 35684060, 71368120, 142736240]

約数ペア:

[(1, 142736240), (2, 71368120), (4, 35684060), (5, 28547248), (8, 17842030), (10, 14273624), (16, 8921015), (20, 7136812), (40, 3568406), (80, 1784203)]