7240180

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{643}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 15255072

約数和(自身を除く): 8014892

約数列:

[1, 2, 4, 5, 10, 20, 563, 643, 1126, 1286, 2252, 2572, 2815, 3215, 5630, 6430, 11260, 12860, 362009, 724018, 1448036, 1810045, 3620090, 7240180]

約数ペア:

[(1, 7240180), (2, 3620090), (4, 1810045), (5, 1448036), (10, 724018), (20, 362009), (563, 12860), (643, 11260), (1126, 6430), (1286, 5630), (2252, 3215), (2572, 2815)]