55804520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{727}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 133660800

約数和(自身を除く): 77856280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 101, 152, 190, 202, 380, 404, 505, 727, 760, 808, 1010, 1454, 1919, 2020, 2908, 3635, 3838, 4040, 5816, 7270, 7676, 9595, 13813, 14540, 15352, 19190, 27626, 29080, 38380, 55252, 69065, 73427, 76760, 110504, 138130, 146854, 276260, 293708, 367135, 552520, 587416, 734270, 1395113, 1468540, 2790226, 2937080, 5580452, 6975565, 11160904, 13951130, 27902260, 55804520]

約数ペア:

[(1, 55804520), (2, 27902260), (4, 13951130), (5, 11160904), (8, 6975565), (10, 5580452), (19, 2937080), (20, 2790226), (38, 1468540), (40, 1395113), (76, 734270), (95, 587416), (101, 552520), (152, 367135), (190, 293708), (202, 276260), (380, 146854), (404, 138130), (505, 110504), (727, 76760), (760, 73427), (808, 69065), (1010, 55252), (1454, 38380), (1919, 29080), (2020, 27626), (2908, 19190), (3635, 15352), (3838, 14540), (4040, 13813), (5816, 9595), (7270, 7676)]