2012386120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{4451}}^1$

素因数の和:4678

約数の個数: 64

約数和(自身を含む): 4615833600

約数和(自身を除く): 2603447480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 127, 178, 254, 356, 445, 508, 635, 712, 890, 1016, 1270, 1780, 2540, 3560, 4451, 5080, 8902, 11303, 17804, 22255, 22606, 35608, 44510, 45212, 56515, 89020, 90424, 113030, 178040, 226060, 396139, 452120, 565277, 792278, 1130554, 1584556, 1980695, 2261108, 2826385, 3169112, 3961390, 4522216, 5652770, 7922780, 11305540, 15845560, 22611080, 50309653, 100619306, 201238612, 251548265, 402477224, 503096530, 1006193060, 2012386120]

約数ペア:

[(1, 2012386120), (2, 1006193060), (4, 503096530), (5, 402477224), (8, 251548265), (10, 201238612), (20, 100619306), (40, 50309653), (89, 22611080), (127, 15845560), (178, 11305540), (254, 7922780), (356, 5652770), (445, 4522216), (508, 3961390), (635, 3169112), (712, 2826385), (890, 2261108), (1016, 1980695), (1270, 1584556), (1780, 1130554), (2540, 792278), (3560, 565277), (4451, 452120), (5080, 396139), (8902, 226060), (11303, 178040), (17804, 113030), (22255, 90424), (22606, 89020), (35608, 56515), (44510, 45212)]