12818720

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{709}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 30595320

約数和(自身を除く): 17776600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 709, 904, 1130, 1418, 1808, 2260, 2836, 3545, 3616, 4520, 5672, 7090, 9040, 11344, 14180, 18080, 22688, 28360, 56720, 80117, 113440, 160234, 320468, 400585, 640936, 801170, 1281872, 1602340, 2563744, 3204680, 6409360, 12818720]

約数ペア:

[(1, 12818720), (2, 6409360), (4, 3204680), (5, 2563744), (8, 1602340), (10, 1281872), (16, 801170), (20, 640936), (32, 400585), (40, 320468), (80, 160234), (113, 113440), (160, 80117), (226, 56720), (452, 28360), (565, 22688), (709, 18080), (904, 14180), (1130, 11344), (1418, 9040), (1808, 7090), (2260, 5672), (2836, 4520), (3545, 3616)]