105521740

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{26513}}^1$

素因数の和:26721

約数の個数: 24

約数和(自身を含む): 222717600

約数和(自身を除く): 117195860

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 26513, 53026, 106052, 132565, 265130, 530260, 5276087, 10552174, 21104348, 26380435, 52760870, 105521740]

約数ペア:

[(1, 105521740), (2, 52760870), (4, 26380435), (5, 21104348), (10, 10552174), (20, 5276087), (199, 530260), (398, 265130), (796, 132565), (995, 106052), (1990, 53026), (3980, 26513)]