25845160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 64022400

約数和(自身を除く): 38177240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 151, 220, 302, 389, 440, 604, 755, 778, 1208, 1510, 1556, 1661, 1945, 3020, 3112, 3322, 3890, 4279, 6040, 6644, 7780, 8305, 8558, 13288, 15560, 16610, 17116, 21395, 33220, 34232, 42790, 58739, 66440, 85580, 117478, 171160, 234956, 293695, 469912, 587390, 646129, 1174780, 1292258, 2349560, 2584516, 3230645, 5169032, 6461290, 12922580, 25845160]

約数ペア:

[(1, 25845160), (2, 12922580), (4, 6461290), (5, 5169032), (8, 3230645), (10, 2584516), (11, 2349560), (20, 1292258), (22, 1174780), (40, 646129), (44, 587390), (55, 469912), (88, 293695), (110, 234956), (151, 171160), (220, 117478), (302, 85580), (389, 66440), (440, 58739), (604, 42790), (755, 34232), (778, 33220), (1208, 21395), (1510, 17116), (1556, 16610), (1661, 15560), (1945, 13288), (3020, 8558), (3112, 8305), (3322, 7780), (3890, 6644), (4279, 6040)]