72018640

素因数分解:

$2^4\times 5^1\times {\mathrm{900233}}^1$

素因数の和:900246

約数の個数: 20

約数和(自身を含む): 167443524

約数和(自身を除く): 95424884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 900233, 1800466, 3600932, 4501165, 7201864, 9002330, 14403728, 18004660, 36009320, 72018640]

約数ペア:

[(1, 72018640), (2, 36009320), (4, 18004660), (5, 14403728), (8, 9002330), (10, 7201864), (16, 4501165), (20, 3600932), (40, 1800466), (80, 900233)]