83815720

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{5471}}^1$

素因数の和:5865

約数の個数: 32

約数和(自身を含む): 189112320

約数和(自身を除く): 105296600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 5471, 7660, 10942, 15320, 21884, 27355, 43768, 54710, 109420, 218840, 2095393, 4190786, 8381572, 10476965, 16763144, 20953930, 41907860, 83815720]

約数ペア:

[(1, 83815720), (2, 41907860), (4, 20953930), (5, 16763144), (8, 10476965), (10, 8381572), (20, 4190786), (40, 2095393), (383, 218840), (766, 109420), (1532, 54710), (1915, 43768), (3064, 27355), (3830, 21884), (5471, 15320), (7660, 10942)]