40820320

素因数分解:

$2^5\times 5^1\times {\mathrm{255127}}^1$

素因数の和:255142

約数の個数: 24

約数和(自身を含む): 96438384

約数和(自身を除く): 55618064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 255127, 510254, 1020508, 1275635, 2041016, 2551270, 4082032, 5102540, 8164064, 10205080, 20410160, 40820320]

約数ペア:

[(1, 40820320), (2, 20410160), (4, 10205080), (5, 8164064), (8, 5102540), (10, 4082032), (16, 2551270), (20, 2041016), (32, 1275635), (40, 1020508), (80, 510254), (160, 255127)]