42720680

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1783}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 96336000

約数和(自身を除く): 53615320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 1198, 1783, 2396, 2995, 3566, 4792, 5990, 7132, 8915, 11980, 14264, 17830, 23960, 35660, 71320, 1068017, 2136034, 4272068, 5340085, 8544136, 10680170, 21360340, 42720680]

約数ペア:

[(1, 42720680), (2, 21360340), (4, 10680170), (5, 8544136), (8, 5340085), (10, 4272068), (20, 2136034), (40, 1068017), (599, 71320), (1198, 35660), (1783, 23960), (2396, 17830), (2995, 14264), (3566, 11980), (4792, 8915), (5990, 7132)]