31442900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{7669}}^1$

素因数の和:7724

約数の個数: 36

約数和(自身を含む): 69904380

約数和(自身を除く): 38461480

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 7669, 15338, 30676, 38345, 76690, 153380, 191725, 314429, 383450, 628858, 766900, 1257716, 1572145, 3144290, 6288580, 7860725, 15721450, 31442900]

約数ペア:

[(1, 31442900), (2, 15721450), (4, 7860725), (5, 6288580), (10, 3144290), (20, 1572145), (25, 1257716), (41, 766900), (50, 628858), (82, 383450), (100, 314429), (164, 191725), (205, 153380), (410, 76690), (820, 38345), (1025, 30676), (2050, 15338), (4100, 7669)]