13513040

素因数分解:

$2^4\times 5^1\times {\mathrm{168913}}^1$

素因数の和:168926

約数の個数: 20

約数和(自身を含む): 31418004

約数和(自身を除く): 17904964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 168913, 337826, 675652, 844565, 1351304, 1689130, 2702608, 3378260, 6756520, 13513040]

約数ペア:

[(1, 13513040), (2, 6756520), (4, 3378260), (5, 2702608), (8, 1689130), (10, 1351304), (16, 844565), (20, 675652), (40, 337826), (80, 168913)]