90207920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9319}}^1$

素因数の和:9354

約数の個数: 60

約数和(自身を含む): 230558160

約数和(自身を除く): 140350240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9319, 9680, 18638, 37276, 46595, 74552, 93190, 102509, 149104, 186380, 205018, 372760, 410036, 512545, 745520, 820072, 1025090, 1127599, 1640144, 2050180, 2255198, 4100360, 4510396, 5637995, 8200720, 9020792, 11275990, 18041584, 22551980, 45103960, 90207920]

約数ペア:

[(1, 90207920), (2, 45103960), (4, 22551980), (5, 18041584), (8, 11275990), (10, 9020792), (11, 8200720), (16, 5637995), (20, 4510396), (22, 4100360), (40, 2255198), (44, 2050180), (55, 1640144), (80, 1127599), (88, 1025090), (110, 820072), (121, 745520), (176, 512545), (220, 410036), (242, 372760), (440, 205018), (484, 186380), (605, 149104), (880, 102509), (968, 93190), (1210, 74552), (1936, 46595), (2420, 37276), (4840, 18638), (9319, 9680)]