72384880

素因数分解:

$2^4\times 5^1\times {\mathrm{904811}}^1$

素因数の和:904824

約数の個数: 20

約数和(自身を含む): 168295032

約数和(自身を除く): 95910152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 904811, 1809622, 3619244, 4524055, 7238488, 9048110, 14476976, 18096220, 36192440, 72384880]

約数ペア:

[(1, 72384880), (2, 36192440), (4, 18096220), (5, 14476976), (8, 9048110), (10, 7238488), (16, 4524055), (20, 3619244), (40, 1809622), (80, 904811)]