7156804940

素因数分解:

$2^2\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{278909}}^1$

素因数の和:280201

約数の個数: 24

約数和(自身を含む): 15041058480

約数和(自身を除く): 7884253540

約数列:

[1, 2, 4, 5, 10, 20, 1283, 2566, 5132, 6415, 12830, 25660, 278909, 557818, 1115636, 1394545, 2789090, 5578180, 357840247, 715680494, 1431360988, 1789201235, 3578402470, 7156804940]

約数ペア:

[(1, 7156804940), (2, 3578402470), (4, 1789201235), (5, 1431360988), (10, 715680494), (20, 357840247), (1283, 5578180), (2566, 2789090), (5132, 1394545), (6415, 1115636), (12830, 557818), (25660, 278909)]