72783280

素因数分解:

$2^4\times 5^1\times {\mathrm{909791}}^1$

素因数の和:909804

約数の個数: 20

約数和(自身を含む): 169221312

約数和(自身を除く): 96438032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 909791, 1819582, 3639164, 4548955, 7278328, 9097910, 14556656, 18195820, 36391640, 72783280]

約数ペア:

[(1, 72783280), (2, 36391640), (4, 18195820), (5, 14556656), (8, 9097910), (10, 7278328), (16, 4548955), (20, 3639164), (40, 1819582), (80, 909791)]