49399120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19919}}^1$

素因数の和:19963

約数の個数: 40

約数和(自身を含む): 118563840

約数和(自身を除く): 69164720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 19919, 39838, 79676, 99595, 159352, 199190, 318704, 398380, 617489, 796760, 1234978, 1593520, 2469956, 3087445, 4939912, 6174890, 9879824, 12349780, 24699560, 49399120]

約数ペア:

[(1, 49399120), (2, 24699560), (4, 12349780), (5, 9879824), (8, 6174890), (10, 4939912), (16, 3087445), (20, 2469956), (31, 1593520), (40, 1234978), (62, 796760), (80, 617489), (124, 398380), (155, 318704), (248, 199190), (310, 159352), (496, 99595), (620, 79676), (1240, 39838), (2480, 19919)]