16659280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1721}}^1$

素因数の和:1756

約数の個数: 60

約数和(自身を含む): 42598836

約数和(自身を除く): 25939556

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1721, 1936, 2420, 3442, 4840, 6884, 8605, 9680, 13768, 17210, 18931, 27536, 34420, 37862, 68840, 75724, 94655, 137680, 151448, 189310, 208241, 302896, 378620, 416482, 757240, 832964, 1041205, 1514480, 1665928, 2082410, 3331856, 4164820, 8329640, 16659280]

約数ペア:

[(1, 16659280), (2, 8329640), (4, 4164820), (5, 3331856), (8, 2082410), (10, 1665928), (11, 1514480), (16, 1041205), (20, 832964), (22, 757240), (40, 416482), (44, 378620), (55, 302896), (80, 208241), (88, 189310), (110, 151448), (121, 137680), (176, 94655), (220, 75724), (242, 68840), (440, 37862), (484, 34420), (605, 27536), (880, 18931), (968, 17210), (1210, 13768), (1721, 9680), (1936, 8605), (2420, 6884), (3442, 4840)]