11513680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3347}}^1$

素因数の和:3403

約数の個数: 40

約数和(自身を含む): 27400032

約数和(自身を除く): 15886352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3347, 3440, 6694, 13388, 16735, 26776, 33470, 53552, 66940, 133880, 143921, 267760, 287842, 575684, 719605, 1151368, 1439210, 2302736, 2878420, 5756840, 11513680]

約数ペア:

[(1, 11513680), (2, 5756840), (4, 2878420), (5, 2302736), (8, 1439210), (10, 1151368), (16, 719605), (20, 575684), (40, 287842), (43, 267760), (80, 143921), (86, 133880), (172, 66940), (215, 53552), (344, 33470), (430, 26776), (688, 16735), (860, 13388), (1720, 6694), (3347, 3440)]