56807810

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 111974400

約数和(自身を除く): 55166590

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 71, 89, 142, 145, 155, 178, 290, 310, 355, 445, 710, 890, 899, 1798, 2059, 2201, 2581, 2759, 4118, 4402, 4495, 5162, 5518, 6319, 8990, 10295, 11005, 12638, 12905, 13795, 20590, 22010, 25810, 27590, 31595, 63190, 63829, 80011, 127658, 160022, 183251, 195889, 319145, 366502, 391778, 400055, 638290, 800110, 916255, 979445, 1832510, 1958890, 5680781, 11361562, 28403905, 56807810]

約数ペア:

[(1, 56807810), (2, 28403905), (5, 11361562), (10, 5680781), (29, 1958890), (31, 1832510), (58, 979445), (62, 916255), (71, 800110), (89, 638290), (142, 400055), (145, 391778), (155, 366502), (178, 319145), (290, 195889), (310, 183251), (355, 160022), (445, 127658), (710, 80011), (890, 63829), (899, 63190), (1798, 31595), (2059, 27590), (2201, 25810), (2581, 22010), (2759, 20590), (4118, 13795), (4402, 12905), (4495, 12638), (5162, 11005), (5518, 10295), (6319, 8990)]