12829220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 28894320

約数和(自身を除く): 16065100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 97, 170, 194, 340, 388, 389, 485, 778, 970, 1556, 1649, 1940, 1945, 3298, 3890, 6596, 6613, 7780, 8245, 13226, 16490, 26452, 32980, 33065, 37733, 66130, 75466, 132260, 150932, 188665, 377330, 641461, 754660, 1282922, 2565844, 3207305, 6414610, 12829220]

約数ペア:

[(1, 12829220), (2, 6414610), (4, 3207305), (5, 2565844), (10, 1282922), (17, 754660), (20, 641461), (34, 377330), (68, 188665), (85, 150932), (97, 132260), (170, 75466), (194, 66130), (340, 37733), (388, 33065), (389, 32980), (485, 26452), (778, 16490), (970, 13226), (1556, 8245), (1649, 7780), (1940, 6613), (1945, 6596), (3298, 3890)]