39689080

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9103}}^1$

素因数の和:9223

約数の個数: 32

約数和(自身を含む): 90129600

約数和(自身を除く): 50440520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9103, 18206, 36412, 45515, 72824, 91030, 182060, 364120, 992227, 1984454, 3968908, 4961135, 7937816, 9922270, 19844540, 39689080]

約数ペア:

[(1, 39689080), (2, 19844540), (4, 9922270), (5, 7937816), (8, 4961135), (10, 3968908), (20, 1984454), (40, 992227), (109, 364120), (218, 182060), (436, 91030), (545, 72824), (872, 45515), (1090, 36412), (2180, 18206), (4360, 9103)]