40378990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{461}}^2$

素因数の和:948

約数の個数: 24

約数和(自身を含む): 76673880

約数和(自身を除く): 36294890

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 461, 922, 2305, 4610, 8759, 17518, 43795, 87590, 212521, 425042, 1062605, 2125210, 4037899, 8075798, 20189495, 40378990]

約数ペア:

[(1, 40378990), (2, 20189495), (5, 8075798), (10, 4037899), (19, 2125210), (38, 1062605), (95, 425042), (190, 212521), (461, 87590), (922, 43795), (2305, 17518), (4610, 8759)]