31718840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1499}}^1$

素因数の和:1556

約数の個数: 48

約数和(自身を含む): 74655000

約数和(自身を除く): 42936160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 920, 1058, 1499, 2116, 2645, 2998, 4232, 5290, 5996, 7495, 10580, 11992, 14990, 21160, 29980, 34477, 59960, 68954, 137908, 172385, 275816, 344770, 689540, 792971, 1379080, 1585942, 3171884, 3964855, 6343768, 7929710, 15859420, 31718840]

約数ペア:

[(1, 31718840), (2, 15859420), (4, 7929710), (5, 6343768), (8, 3964855), (10, 3171884), (20, 1585942), (23, 1379080), (40, 792971), (46, 689540), (92, 344770), (115, 275816), (184, 172385), (230, 137908), (460, 68954), (529, 59960), (920, 34477), (1058, 29980), (1499, 21160), (2116, 14990), (2645, 11992), (2998, 10580), (4232, 7495), (5290, 5996)]