4893991640

素因数分解:

$2^3\times 5^1\times {\mathrm{122349791}}^1$

素因数の和:122349802

約数の個数: 16

約数和(自身を含む): 11011481280

約数和(自身を除く): 6117489640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 122349791, 244699582, 489399164, 611748955, 978798328, 1223497910, 2446995820, 4893991640]

約数ペア:

[(1, 4893991640), (2, 2446995820), (4, 1223497910), (5, 978798328), (8, 611748955), (10, 489399164), (20, 244699582), (40, 122349791)]