80248120

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5003}}^1$

素因数の和:5415

約数の個数: 32

約数和(自身を含む): 181044720

約数和(自身を除く): 100796600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 5003, 8020, 10006, 16040, 20012, 25015, 40024, 50030, 100060, 200120, 2006203, 4012406, 8024812, 10031015, 16049624, 20062030, 40124060, 80248120]

約数ペア:

[(1, 80248120), (2, 40124060), (4, 20062030), (5, 16049624), (8, 10031015), (10, 8024812), (20, 4012406), (40, 2006203), (401, 200120), (802, 100060), (1604, 50030), (2005, 40024), (3208, 25015), (4010, 20012), (5003, 16040), (8020, 10006)]