13498720

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 32114880

約数和(自身を除く): 18616160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 353, 478, 706, 956, 1195, 1412, 1765, 1912, 2390, 2824, 3530, 3824, 4780, 5648, 7060, 7648, 9560, 11296, 14120, 19120, 28240, 38240, 56480, 84367, 168734, 337468, 421835, 674936, 843670, 1349872, 1687340, 2699744, 3374680, 6749360, 13498720]

約数ペア:

[(1, 13498720), (2, 6749360), (4, 3374680), (5, 2699744), (8, 1687340), (10, 1349872), (16, 843670), (20, 674936), (32, 421835), (40, 337468), (80, 168734), (160, 84367), (239, 56480), (353, 38240), (478, 28240), (706, 19120), (956, 14120), (1195, 11296), (1412, 9560), (1765, 7648), (1912, 7060), (2390, 5648), (2824, 4780), (3530, 3824)]