78707540

素因数分解:

$2^2\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{3011}}^1$

素因数の和:4327

約数の個数: 24

約数和(自身を含む): 165467232

約数和(自身を除く): 86759692

約数列:

[1, 2, 4, 5, 10, 20, 1307, 2614, 3011, 5228, 6022, 6535, 12044, 13070, 15055, 26140, 30110, 60220, 3935377, 7870754, 15741508, 19676885, 39353770, 78707540]

約数ペア:

[(1, 78707540), (2, 39353770), (4, 19676885), (5, 15741508), (10, 7870754), (20, 3935377), (1307, 60220), (2614, 30110), (3011, 26140), (5228, 15055), (6022, 13070), (6535, 12044)]