85650680

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20789}}^1$

素因数の和:20903

約数の個数: 32

約数和(自身を含む): 194594400

約数和(自身を除く): 108943720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 20789, 41578, 83156, 103945, 166312, 207890, 415780, 831560, 2141267, 4282534, 8565068, 10706335, 17130136, 21412670, 42825340, 85650680]

約数ペア:

[(1, 85650680), (2, 42825340), (4, 21412670), (5, 17130136), (8, 10706335), (10, 8565068), (20, 4282534), (40, 2141267), (103, 831560), (206, 415780), (412, 207890), (515, 166312), (824, 103945), (1030, 83156), (2060, 41578), (4120, 20789)]