68908360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{40063}}^1$

素因数の和:40117

約数の個数: 32

約数和(自身を含む): 158653440

約数和(自身を除く): 89745080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 40063, 80126, 160252, 200315, 320504, 400630, 801260, 1602520, 1722709, 3445418, 6890836, 8613545, 13781672, 17227090, 34454180, 68908360]

約数ペア:

[(1, 68908360), (2, 34454180), (4, 17227090), (5, 13781672), (8, 8613545), (10, 6890836), (20, 3445418), (40, 1722709), (43, 1602520), (86, 801260), (172, 400630), (215, 320504), (344, 200315), (430, 160252), (860, 80126), (1720, 40063)]