3669648440

素因数分解:

$2^3\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{66431}}^1$

素因数の和:67823

約数の個数: 32

約数和(自身を含む): 8262812160

約数和(自身を除く): 4593163720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1381, 2762, 5524, 6905, 11048, 13810, 27620, 55240, 66431, 132862, 265724, 332155, 531448, 664310, 1328620, 2657240, 91741211, 183482422, 366964844, 458706055, 733929688, 917412110, 1834824220, 3669648440]

約数ペア:

[(1, 3669648440), (2, 1834824220), (4, 917412110), (5, 733929688), (8, 458706055), (10, 366964844), (20, 183482422), (40, 91741211), (1381, 2657240), (2762, 1328620), (5524, 664310), (6905, 531448), (11048, 332155), (13810, 265724), (27620, 132862), (55240, 66431)]