40605220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70009}}^1$

素因数の和:70047

約数の個数: 24

約数和(自身を含む): 88212600

約数和(自身を除く): 47607380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 70009, 140018, 280036, 350045, 700090, 1400180, 2030261, 4060522, 8121044, 10151305, 20302610, 40605220]

約数ペア:

[(1, 40605220), (2, 20302610), (4, 10151305), (5, 8121044), (10, 4060522), (20, 2030261), (29, 1400180), (58, 700090), (116, 350045), (145, 280036), (290, 140018), (580, 70009)]