7880212240

素因数分解:

$2^4\times 5^1\times {\mathrm{98502653}}^1$

素因数の和:98502666

約数の個数: 20

約数和(自身を含む): 18321493644

約数和(自身を除く): 10441281404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 98502653, 197005306, 394010612, 492513265, 788021224, 985026530, 1576042448, 1970053060, 3940106120, 7880212240]

約数ペア:

[(1, 7880212240), (2, 3940106120), (4, 1970053060), (5, 1576042448), (8, 985026530), (10, 788021224), (16, 492513265), (20, 394010612), (40, 197005306), (80, 98502653)]