28977080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5987}}^1$

素因数の和:6020

約数の個数: 48

約数和(自身を含む): 71676360

約数和(自身を除く): 42699280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 5987, 11974, 23948, 29935, 47896, 59870, 65857, 119740, 131714, 239480, 263428, 329285, 526856, 658570, 724427, 1317140, 1448854, 2634280, 2897708, 3622135, 5795416, 7244270, 14488540, 28977080]

約数ペア:

[(1, 28977080), (2, 14488540), (4, 7244270), (5, 5795416), (8, 3622135), (10, 2897708), (11, 2634280), (20, 1448854), (22, 1317140), (40, 724427), (44, 658570), (55, 526856), (88, 329285), (110, 263428), (121, 239480), (220, 131714), (242, 119740), (440, 65857), (484, 59870), (605, 47896), (968, 29935), (1210, 23948), (2420, 11974), (4840, 5987)]