28278340

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{2017}}^1$

素因数の和:2727

約数の個数: 24

約数和(自身を含む): 59498712

約数和(自身を除く): 31220372

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 2017, 2804, 3505, 4034, 7010, 8068, 10085, 14020, 20170, 40340, 1413917, 2827834, 5655668, 7069585, 14139170, 28278340]

約数ペア:

[(1, 28278340), (2, 14139170), (4, 7069585), (5, 5655668), (10, 2827834), (20, 1413917), (701, 40340), (1402, 20170), (2017, 14020), (2804, 10085), (3505, 8068), (4034, 7010)]