31260147280

素因数分解:

$2^4\times 5^1\times {\mathrm{21187}}^1\times {\mathrm{18443}}^1$

素因数の和:39643

約数の個数: 40

約数和(自身を含む): 72687213792

約数和(自身を除く): 41427066512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 18443, 21187, 36886, 42374, 73772, 84748, 92215, 105935, 147544, 169496, 184430, 211870, 295088, 338992, 368860, 423740, 737720, 847480, 1475440, 1694960, 390751841, 781503682, 1563007364, 1953759205, 3126014728, 3907518410, 6252029456, 7815036820, 15630073640, 31260147280]

約数ペア:

[(1, 31260147280), (2, 15630073640), (4, 7815036820), (5, 6252029456), (8, 3907518410), (10, 3126014728), (16, 1953759205), (20, 1563007364), (40, 781503682), (80, 390751841), (18443, 1694960), (21187, 1475440), (36886, 847480), (42374, 737720), (73772, 423740), (84748, 368860), (92215, 338992), (105935, 295088), (147544, 211870), (169496, 184430)]