27877840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 40867760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 109, 115, 139, 184, 218, 230, 278, 368, 436, 460, 545, 556, 695, 872, 920, 1090, 1112, 1390, 1744, 1840, 2180, 2224, 2507, 2780, 3197, 4360, 5014, 5560, 6394, 8720, 10028, 11120, 12535, 12788, 15151, 15985, 20056, 25070, 25576, 30302, 31970, 40112, 50140, 51152, 60604, 63940, 75755, 100280, 121208, 127880, 151510, 200560, 242416, 255760, 303020, 348473, 606040, 696946, 1212080, 1393892, 1742365, 2787784, 3484730, 5575568, 6969460, 13938920, 27877840]

約数ペア:

[(1, 27877840), (2, 13938920), (4, 6969460), (5, 5575568), (8, 3484730), (10, 2787784), (16, 1742365), (20, 1393892), (23, 1212080), (40, 696946), (46, 606040), (80, 348473), (92, 303020), (109, 255760), (115, 242416), (139, 200560), (184, 151510), (218, 127880), (230, 121208), (278, 100280), (368, 75755), (436, 63940), (460, 60604), (545, 51152), (556, 50140), (695, 40112), (872, 31970), (920, 30302), (1090, 25576), (1112, 25070), (1390, 20056), (1744, 15985), (1840, 15151), (2180, 12788), (2224, 12535), (2507, 11120), (2780, 10028), (3197, 8720), (4360, 6394), (5014, 5560)]