55206040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^2$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 128831040

約数和(自身を除く): 73625000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 211, 248, 310, 422, 620, 844, 1055, 1240, 1688, 2110, 4220, 6541, 8440, 13082, 26164, 32705, 44521, 52328, 65410, 89042, 130820, 178084, 222605, 261640, 356168, 445210, 890420, 1380151, 1780840, 2760302, 5520604, 6900755, 11041208, 13801510, 27603020, 55206040]

約数ペア:

[(1, 55206040), (2, 27603020), (4, 13801510), (5, 11041208), (8, 6900755), (10, 5520604), (20, 2760302), (31, 1780840), (40, 1380151), (62, 890420), (124, 445210), (155, 356168), (211, 261640), (248, 222605), (310, 178084), (422, 130820), (620, 89042), (844, 65410), (1055, 52328), (1240, 44521), (1688, 32705), (2110, 26164), (4220, 13082), (6541, 8440)]