16401440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9319}}^1$

素因数の和:9345

約数の個数: 48

約数和(自身を含む): 42275520

約数和(自身を除く): 25874080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 9319, 18638, 37276, 46595, 74552, 93190, 102509, 149104, 186380, 205018, 298208, 372760, 410036, 512545, 745520, 820072, 1025090, 1491040, 1640144, 2050180, 3280288, 4100360, 8200720, 16401440]

約数ペア:

[(1, 16401440), (2, 8200720), (4, 4100360), (5, 3280288), (8, 2050180), (10, 1640144), (11, 1491040), (16, 1025090), (20, 820072), (22, 745520), (32, 512545), (40, 410036), (44, 372760), (55, 298208), (80, 205018), (88, 186380), (110, 149104), (160, 102509), (176, 93190), (220, 74552), (352, 46595), (440, 37276), (880, 18638), (1760, 9319)]