18240280

素因数分解:

$2^3\times 5^1\times {\mathrm{456007}}^1$

素因数の和:456018

約数の個数: 16

約数和(自身を含む): 41040720

約数和(自身を除く): 22800440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 456007, 912014, 1824028, 2280035, 3648056, 4560070, 9120140, 18240280]

約数ペア:

[(1, 18240280), (2, 9120140), (4, 4560070), (5, 3648056), (8, 2280035), (10, 1824028), (20, 912014), (40, 456007)]