13664240

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1567}}^1$

素因数の和:1689

約数の個数: 40

約数和(自身を含む): 32081280

約数和(自身を除く): 18417040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1567, 1744, 2180, 3134, 4360, 6268, 7835, 8720, 12536, 15670, 25072, 31340, 62680, 125360, 170803, 341606, 683212, 854015, 1366424, 1708030, 2732848, 3416060, 6832120, 13664240]

約数ペア:

[(1, 13664240), (2, 6832120), (4, 3416060), (5, 2732848), (8, 1708030), (10, 1366424), (16, 854015), (20, 683212), (40, 341606), (80, 170803), (109, 125360), (218, 62680), (436, 31340), (545, 25072), (872, 15670), (1090, 12536), (1567, 8720), (1744, 7835), (2180, 6268), (3134, 4360)]