140558840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{42337}}^1$

素因数の和:42431

約数の個数: 32

約数和(自身を含む): 320075280

約数和(自身を除く): 179516440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 42337, 84674, 169348, 211685, 338696, 423370, 846740, 1693480, 3513971, 7027942, 14055884, 17569855, 28111768, 35139710, 70279420, 140558840]

約数ペア:

[(1, 140558840), (2, 70279420), (4, 35139710), (5, 28111768), (8, 17569855), (10, 14055884), (20, 7027942), (40, 3513971), (83, 1693480), (166, 846740), (332, 423370), (415, 338696), (664, 211685), (830, 169348), (1660, 84674), (3320, 42337)]