4018640

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 9427968

約数和(自身を除く): 5409328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 263, 382, 526, 764, 955, 1052, 1315, 1528, 1910, 2104, 2630, 3056, 3820, 4208, 5260, 7640, 10520, 15280, 21040, 50233, 100466, 200932, 251165, 401864, 502330, 803728, 1004660, 2009320, 4018640]

約数ペア:

[(1, 4018640), (2, 2009320), (4, 1004660), (5, 803728), (8, 502330), (10, 401864), (16, 251165), (20, 200932), (40, 100466), (80, 50233), (191, 21040), (263, 15280), (382, 10520), (526, 7640), (764, 5260), (955, 4208), (1052, 3820), (1315, 3056), (1528, 2630), (1910, 2104)]