80837590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{1061}}^1$

素因数の和:1488

約数の個数: 32

約数和(自身を含む): 153692640

約数和(自身を除く): 72855050

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 401, 802, 1061, 2005, 2122, 4010, 5305, 7619, 10610, 15238, 20159, 38095, 40318, 76190, 100795, 201590, 425461, 850922, 2127305, 4254610, 8083759, 16167518, 40418795, 80837590]

約数ペア:

[(1, 80837590), (2, 40418795), (5, 16167518), (10, 8083759), (19, 4254610), (38, 2127305), (95, 850922), (190, 425461), (401, 201590), (802, 100795), (1061, 76190), (2005, 40318), (2122, 38095), (4010, 20159), (5305, 15238), (7619, 10610)]