80041240

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4517}}^1$

素因数の和:4971

約数の個数: 32

約数和(自身を含む): 180539280

約数和(自身を除く): 100498040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 4430, 4517, 8860, 9034, 17720, 18068, 22585, 36136, 45170, 90340, 180680, 2001031, 4002062, 8004124, 10005155, 16008248, 20010310, 40020620, 80041240]

約数ペア:

[(1, 80041240), (2, 40020620), (4, 20010310), (5, 16008248), (8, 10005155), (10, 8004124), (20, 4002062), (40, 2001031), (443, 180680), (886, 90340), (1772, 45170), (2215, 36136), (3544, 22585), (4430, 18068), (4517, 17720), (8860, 9034)]