27777440

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1367}}^1$

素因数の和:1509

約数の個数: 48

約数和(自身を含む): 66189312

約数和(自身を除く): 38411872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 1367, 2032, 2540, 2734, 4064, 5080, 5468, 6835, 10160, 10936, 13670, 20320, 21872, 27340, 43744, 54680, 109360, 173609, 218720, 347218, 694436, 868045, 1388872, 1736090, 2777744, 3472180, 5555488, 6944360, 13888720, 27777440]

約数ペア:

[(1, 27777440), (2, 13888720), (4, 6944360), (5, 5555488), (8, 3472180), (10, 2777744), (16, 1736090), (20, 1388872), (32, 868045), (40, 694436), (80, 347218), (127, 218720), (160, 173609), (254, 109360), (508, 54680), (635, 43744), (1016, 27340), (1270, 21872), (1367, 20320), (2032, 13670), (2540, 10936), (2734, 10160), (4064, 6835), (5080, 5468)]