27458540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 59621184

約数和(自身を除く): 32162644

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 122, 142, 244, 284, 305, 317, 355, 610, 634, 710, 1220, 1268, 1420, 1585, 3170, 4331, 6340, 8662, 17324, 19337, 21655, 22507, 38674, 43310, 45014, 77348, 86620, 90028, 96685, 112535, 193370, 225070, 386740, 450140, 1372927, 2745854, 5491708, 6864635, 13729270, 27458540]

約数ペア:

[(1, 27458540), (2, 13729270), (4, 6864635), (5, 5491708), (10, 2745854), (20, 1372927), (61, 450140), (71, 386740), (122, 225070), (142, 193370), (244, 112535), (284, 96685), (305, 90028), (317, 86620), (355, 77348), (610, 45014), (634, 43310), (710, 38674), (1220, 22507), (1268, 21655), (1420, 19337), (1585, 17324), (3170, 8662), (4331, 6340)]