11995280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 31230144

約数和(自身を除く): 19234864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 317, 344, 430, 440, 473, 634, 688, 860, 880, 946, 1268, 1585, 1720, 1892, 2365, 2536, 3170, 3440, 3487, 3784, 4730, 5072, 6340, 6974, 7568, 9460, 12680, 13631, 13948, 17435, 18920, 25360, 27262, 27896, 34870, 37840, 54524, 55792, 68155, 69740, 109048, 136310, 139480, 149941, 218096, 272620, 278960, 299882, 545240, 599764, 749705, 1090480, 1199528, 1499410, 2399056, 2998820, 5997640, 11995280]

約数ペア:

[(1, 11995280), (2, 5997640), (4, 2998820), (5, 2399056), (8, 1499410), (10, 1199528), (11, 1090480), (16, 749705), (20, 599764), (22, 545240), (40, 299882), (43, 278960), (44, 272620), (55, 218096), (80, 149941), (86, 139480), (88, 136310), (110, 109048), (172, 69740), (176, 68155), (215, 55792), (220, 54524), (317, 37840), (344, 34870), (430, 27896), (440, 27262), (473, 25360), (634, 18920), (688, 17435), (860, 13948), (880, 13631), (946, 12680), (1268, 9460), (1585, 7568), (1720, 6974), (1892, 6340), (2365, 5072), (2536, 4730), (3170, 3784), (3440, 3487)]