27991160

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1109}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 63136800

約数和(自身を除く): 35145640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1109, 1262, 2218, 2524, 3155, 4436, 5048, 5545, 6310, 8872, 11090, 12620, 22180, 25240, 44360, 699779, 1399558, 2799116, 3498895, 5598232, 6997790, 13995580, 27991160]

約数ペア:

[(1, 27991160), (2, 13995580), (4, 6997790), (5, 5598232), (8, 3498895), (10, 2799116), (20, 1399558), (40, 699779), (631, 44360), (1109, 25240), (1262, 22180), (2218, 12620), (2524, 11090), (3155, 8872), (4436, 6310), (5048, 5545)]