28641400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2017}}^1$

素因数の和:2104

約数の個数: 48

約数和(自身を含む): 67562640

約数和(自身を除く): 38921240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2017, 2840, 3550, 4034, 7100, 8068, 10085, 14200, 16136, 20170, 40340, 50425, 80680, 100850, 143207, 201700, 286414, 403400, 572828, 716035, 1145656, 1432070, 2864140, 3580175, 5728280, 7160350, 14320700, 28641400]

約数ペア:

[(1, 28641400), (2, 14320700), (4, 7160350), (5, 5728280), (8, 3580175), (10, 2864140), (20, 1432070), (25, 1145656), (40, 716035), (50, 572828), (71, 403400), (100, 286414), (142, 201700), (200, 143207), (284, 100850), (355, 80680), (568, 50425), (710, 40340), (1420, 20170), (1775, 16136), (2017, 14200), (2840, 10085), (3550, 8068), (4034, 7100)]