40282040

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9239}}^1$

素因数の和:9359

約数の個数: 32

約数和(自身を含む): 91476000

約数和(自身を除く): 51193960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9239, 18478, 36956, 46195, 73912, 92390, 184780, 369560, 1007051, 2014102, 4028204, 5035255, 8056408, 10070510, 20141020, 40282040]

約数ペア:

[(1, 40282040), (2, 20141020), (4, 10070510), (5, 8056408), (8, 5035255), (10, 4028204), (20, 2014102), (40, 1007051), (109, 369560), (218, 184780), (436, 92390), (545, 73912), (872, 46195), (1090, 36956), (2180, 18478), (4360, 9239)]