1279665220

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{113647}}^1$

素因数の和:114219

約数の個数: 24

約数和(自身を含む): 2692093824

約数和(自身を除く): 1412428604

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2252, 2815, 5630, 11260, 113647, 227294, 454588, 568235, 1136470, 2272940, 63983261, 127966522, 255933044, 319916305, 639832610, 1279665220]

約数ペア:

[(1, 1279665220), (2, 639832610), (4, 319916305), (5, 255933044), (10, 127966522), (20, 63983261), (563, 2272940), (1126, 1136470), (2252, 568235), (2815, 454588), (5630, 227294), (11260, 113647)]