15395720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8951}}^1$

素因数の和:9005

約数の個数: 32

約数和(自身を含む): 35449920

約数和(自身を除く): 20054200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 8951, 17902, 35804, 44755, 71608, 89510, 179020, 358040, 384893, 769786, 1539572, 1924465, 3079144, 3848930, 7697860, 15395720]

約数ペア:

[(1, 15395720), (2, 7697860), (4, 3848930), (5, 3079144), (8, 1924465), (10, 1539572), (20, 769786), (40, 384893), (43, 358040), (86, 179020), (172, 89510), (215, 71608), (344, 44755), (430, 35804), (860, 17902), (1720, 8951)]