71240080

素因数分解:

$2^4\times 5^1\times {\mathrm{890501}}^1$

素因数の和:890514

約数の個数: 20

約数和(自身を含む): 165633372

約数和(自身を除く): 94393292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 890501, 1781002, 3562004, 4452505, 7124008, 8905010, 14248016, 17810020, 35620040, 71240080]

約数ペア:

[(1, 71240080), (2, 35620040), (4, 17810020), (5, 14248016), (8, 8905010), (10, 7124008), (16, 4452505), (20, 3562004), (40, 1781002), (80, 890501)]