138896720

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{5477}}^1$

素因数の和:5807

約数の個数: 40

約数和(自身を含む): 324012744

約数和(自身を除く): 185116024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3170, 5072, 5477, 6340, 10954, 12680, 21908, 25360, 27385, 43816, 54770, 87632, 109540, 219080, 438160, 1736209, 3472418, 6944836, 8681045, 13889672, 17362090, 27779344, 34724180, 69448360, 138896720]

約数ペア:

[(1, 138896720), (2, 69448360), (4, 34724180), (5, 27779344), (8, 17362090), (10, 13889672), (16, 8681045), (20, 6944836), (40, 3472418), (80, 1736209), (317, 438160), (634, 219080), (1268, 109540), (1585, 87632), (2536, 54770), (3170, 43816), (5072, 27385), (5477, 25360), (6340, 21908), (10954, 12680)]