1620565540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{26029}}^1$

素因数の和:26332

約数の個数: 48

約数和(自身を含む): 3725830080

約数和(自身を除く): 2105264540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 283, 566, 1132, 1415, 2830, 3113, 5660, 6226, 12452, 15565, 26029, 31130, 52058, 62260, 104116, 130145, 260290, 286319, 520580, 572638, 1145276, 1431595, 2863190, 5726380, 7366207, 14732414, 29464828, 36831035, 73662070, 81028277, 147324140, 162056554, 324113108, 405141385, 810282770, 1620565540]

約数ペア:

[(1, 1620565540), (2, 810282770), (4, 405141385), (5, 324113108), (10, 162056554), (11, 147324140), (20, 81028277), (22, 73662070), (44, 36831035), (55, 29464828), (110, 14732414), (220, 7366207), (283, 5726380), (566, 2863190), (1132, 1431595), (1415, 1145276), (2830, 572638), (3113, 520580), (5660, 286319), (6226, 260290), (12452, 130145), (15565, 104116), (26029, 62260), (31130, 52058)]