28143920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1733}}^1$

素因数の和:1782

約数の個数: 80

約数和(自身を含む): 77405760

約数和(自身を除く): 49261840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 1733, 2030, 2320, 3248, 3466, 4060, 6932, 8120, 8665, 12131, 13864, 16240, 17330, 24262, 27728, 34660, 48524, 50257, 60655, 69320, 97048, 100514, 121310, 138640, 194096, 201028, 242620, 251285, 351799, 402056, 485240, 502570, 703598, 804112, 970480, 1005140, 1407196, 1758995, 2010280, 2814392, 3517990, 4020560, 5628784, 7035980, 14071960, 28143920]

約数ペア:

[(1, 28143920), (2, 14071960), (4, 7035980), (5, 5628784), (7, 4020560), (8, 3517990), (10, 2814392), (14, 2010280), (16, 1758995), (20, 1407196), (28, 1005140), (29, 970480), (35, 804112), (40, 703598), (56, 502570), (58, 485240), (70, 402056), (80, 351799), (112, 251285), (116, 242620), (140, 201028), (145, 194096), (203, 138640), (232, 121310), (280, 100514), (290, 97048), (406, 69320), (464, 60655), (560, 50257), (580, 48524), (812, 34660), (1015, 27728), (1160, 24262), (1624, 17330), (1733, 16240), (2030, 13864), (2320, 12131), (3248, 8665), (3466, 8120), (4060, 6932)]