56876920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 131453280

約数和(自身を除く): 74576360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 107, 137, 194, 214, 274, 388, 428, 485, 535, 548, 685, 776, 856, 970, 1070, 1096, 1370, 1940, 2140, 2740, 3880, 4280, 5480, 10379, 13289, 14659, 20758, 26578, 29318, 41516, 51895, 53156, 58636, 66445, 73295, 83032, 103790, 106312, 117272, 132890, 146590, 207580, 265780, 293180, 415160, 531560, 586360, 1421923, 2843846, 5687692, 7109615, 11375384, 14219230, 28438460, 56876920]

約数ペア:

[(1, 56876920), (2, 28438460), (4, 14219230), (5, 11375384), (8, 7109615), (10, 5687692), (20, 2843846), (40, 1421923), (97, 586360), (107, 531560), (137, 415160), (194, 293180), (214, 265780), (274, 207580), (388, 146590), (428, 132890), (485, 117272), (535, 106312), (548, 103790), (685, 83032), (776, 73295), (856, 66445), (970, 58636), (1070, 53156), (1096, 51895), (1370, 41516), (1940, 29318), (2140, 26578), (2740, 20758), (3880, 14659), (4280, 13289), (5480, 10379)]