40954520

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2579}}^1$

素因数の和:2987

約数の個数: 32

約数和(自身を含む): 92415600

約数和(自身を除く): 51461080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 2579, 3176, 3970, 5158, 7940, 10316, 12895, 15880, 20632, 25790, 51580, 103160, 1023863, 2047726, 4095452, 5119315, 8190904, 10238630, 20477260, 40954520]

約数ペア:

[(1, 40954520), (2, 20477260), (4, 10238630), (5, 8190904), (8, 5119315), (10, 4095452), (20, 2047726), (40, 1023863), (397, 103160), (794, 51580), (1588, 25790), (1985, 20632), (2579, 15880), (3176, 12895), (3970, 10316), (5158, 7940)]