13646480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3967}}^1$

素因数の和:4023

約数の個数: 40

約数和(自身を含む): 32474112

約数和(自身を除く): 18827632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3967, 7934, 15868, 19835, 31736, 39670, 63472, 79340, 158680, 170581, 317360, 341162, 682324, 852905, 1364648, 1705810, 2729296, 3411620, 6823240, 13646480]

約数ペア:

[(1, 13646480), (2, 6823240), (4, 3411620), (5, 2729296), (8, 1705810), (10, 1364648), (16, 852905), (20, 682324), (40, 341162), (43, 317360), (80, 170581), (86, 158680), (172, 79340), (215, 63472), (344, 39670), (430, 31736), (688, 19835), (860, 15868), (1720, 7934), (3440, 3967)]