72384080

素因数分解:

$2^4\times 5^1\times {\mathrm{904801}}^1$

素因数の和:904814

約数の個数: 20

約数和(自身を含む): 168293172

約数和(自身を除く): 95909092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 904801, 1809602, 3619204, 4524005, 7238408, 9048010, 14476816, 18096020, 36192040, 72384080]

約数ペア:

[(1, 72384080), (2, 36192040), (4, 18096020), (5, 14476816), (8, 9048010), (10, 7238408), (16, 4524005), (20, 3619204), (40, 1809602), (80, 904801)]