12922580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 29877120

約数和(自身を除く): 16954540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 151, 220, 302, 389, 604, 755, 778, 1510, 1556, 1661, 1945, 3020, 3322, 3890, 4279, 6644, 7780, 8305, 8558, 16610, 17116, 21395, 33220, 42790, 58739, 85580, 117478, 234956, 293695, 587390, 646129, 1174780, 1292258, 2584516, 3230645, 6461290, 12922580]

約数ペア:

[(1, 12922580), (2, 6461290), (4, 3230645), (5, 2584516), (10, 1292258), (11, 1174780), (20, 646129), (22, 587390), (44, 293695), (55, 234956), (110, 117478), (151, 85580), (220, 58739), (302, 42790), (389, 33220), (604, 21395), (755, 17116), (778, 16610), (1510, 8558), (1556, 8305), (1661, 7780), (1945, 6644), (3020, 4279), (3322, 3890)]