71620040

素因数分解:

$2^3\times 5^1\times {\mathrm{1790501}}^1$

素因数の和:1790512

約数の個数: 16

約数和(自身を含む): 161145180

約数和(自身を除く): 89525140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1790501, 3581002, 7162004, 8952505, 14324008, 17905010, 35810020, 71620040]

約数ペア:

[(1, 71620040), (2, 35810020), (4, 17905010), (5, 14324008), (8, 8952505), (10, 7162004), (20, 3581002), (40, 1790501)]