71275480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25097}}^1$

素因数の和:25179

約数の個数: 32

約数和(自身を含む): 162635040

約数和(自身を除く): 91359560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 25097, 50194, 100388, 125485, 200776, 250970, 501940, 1003880, 1781887, 3563774, 7127548, 8909435, 14255096, 17818870, 35637740, 71275480]

約数ペア:

[(1, 71275480), (2, 35637740), (4, 17818870), (5, 14255096), (8, 8909435), (10, 7127548), (20, 3563774), (40, 1781887), (71, 1003880), (142, 501940), (284, 250970), (355, 200776), (568, 125485), (710, 100388), (1420, 50194), (2840, 25097)]