27135580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 58988160

約数和(自身を除く): 31852580

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 215, 227, 278, 430, 454, 556, 695, 860, 908, 1135, 1390, 2270, 2780, 4540, 5977, 9761, 11954, 19522, 23908, 29885, 31553, 39044, 48805, 59770, 63106, 97610, 119540, 126212, 157765, 195220, 315530, 631060, 1356779, 2713558, 5427116, 6783895, 13567790, 27135580]

約数ペア:

[(1, 27135580), (2, 13567790), (4, 6783895), (5, 5427116), (10, 2713558), (20, 1356779), (43, 631060), (86, 315530), (139, 195220), (172, 157765), (215, 126212), (227, 119540), (278, 97610), (430, 63106), (454, 59770), (556, 48805), (695, 39044), (860, 31553), (908, 29885), (1135, 23908), (1390, 19522), (2270, 11954), (2780, 9761), (4540, 5977)]