68871080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101281}}^1$

素因数の和:101309

約数の個数: 32

約数和(自身を含む): 164076840

約数和(自身を除く): 95205760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 101281, 202562, 405124, 506405, 810248, 1012810, 1721777, 2025620, 3443554, 4051240, 6887108, 8608885, 13774216, 17217770, 34435540, 68871080]

約数ペア:

[(1, 68871080), (2, 34435540), (4, 17217770), (5, 13774216), (8, 8608885), (10, 6887108), (17, 4051240), (20, 3443554), (34, 2025620), (40, 1721777), (68, 1012810), (85, 810248), (136, 506405), (170, 405124), (340, 202562), (680, 101281)]