54640480

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2689}}^1$

素因数の和:2831

約数の個数: 48

約数和(自身を含む): 130152960

約数和(自身を除く): 75512480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 2689, 4064, 5080, 5378, 10160, 10756, 13445, 20320, 21512, 26890, 43024, 53780, 86048, 107560, 215120, 341503, 430240, 683006, 1366012, 1707515, 2732024, 3415030, 5464048, 6830060, 10928096, 13660120, 27320240, 54640480]

約数ペア:

[(1, 54640480), (2, 27320240), (4, 13660120), (5, 10928096), (8, 6830060), (10, 5464048), (16, 3415030), (20, 2732024), (32, 1707515), (40, 1366012), (80, 683006), (127, 430240), (160, 341503), (254, 215120), (508, 107560), (635, 86048), (1016, 53780), (1270, 43024), (2032, 26890), (2540, 21512), (2689, 20320), (4064, 13445), (5080, 10756), (5378, 10160)]