7886522020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1784281}}^1$

素因数の和:1784320

約数の個数: 48

約数和(自身を含む): 18884840688

約数和(自身を除く): 10998318668

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 1784281, 3568562, 7137124, 8921405, 17842810, 23195653, 30332777, 35685620, 46391306, 60665554, 92782612, 115978265, 121331108, 151663885, 231956530, 303327770, 394326101, 463913060, 606655540, 788652202, 1577304404, 1971630505, 3943261010, 7886522020]

約数ペア:

[(1, 7886522020), (2, 3943261010), (4, 1971630505), (5, 1577304404), (10, 788652202), (13, 606655540), (17, 463913060), (20, 394326101), (26, 303327770), (34, 231956530), (52, 151663885), (65, 121331108), (68, 115978265), (85, 92782612), (130, 60665554), (170, 46391306), (221, 35685620), (260, 30332777), (340, 23195653), (442, 17842810), (884, 8921405), (1105, 7137124), (2210, 3568562), (4420, 1784281)]