4957220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3491}}^1$

素因数の和:3571

約数の個数: 24

約数和(自身を含む): 10559808

約数和(自身を除く): 5602588

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 3491, 6982, 13964, 17455, 34910, 69820, 247861, 495722, 991444, 1239305, 2478610, 4957220]

約数ペア:

[(1, 4957220), (2, 2478610), (4, 1239305), (5, 991444), (10, 495722), (20, 247861), (71, 69820), (142, 34910), (284, 17455), (355, 13964), (710, 6982), (1420, 3491)]