40851890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 75057840

約数和(自身を除く): 34205950

約数列:

[1, 2, 5, 10, 89, 178, 197, 233, 394, 445, 466, 890, 985, 1165, 1970, 2330, 17533, 20737, 35066, 41474, 45901, 87665, 91802, 103685, 175330, 207370, 229505, 459010, 4085189, 8170378, 20425945, 40851890]

約数ペア:

[(1, 40851890), (2, 20425945), (5, 8170378), (10, 4085189), (89, 459010), (178, 229505), (197, 207370), (233, 175330), (394, 103685), (445, 91802), (466, 87665), (890, 45901), (985, 41474), (1165, 35066), (1970, 20737), (2330, 17533)]