18309480440

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{801641}}^1$

素因数の和:802223

約数の個数: 32

約数和(自身を含む): 41268530160

約数和(自身を除く): 22959049720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 2284, 2855, 4568, 5710, 11420, 22840, 801641, 1603282, 3206564, 4008205, 6413128, 8016410, 16032820, 32065640, 457737011, 915474022, 1830948044, 2288685055, 3661896088, 4577370110, 9154740220, 18309480440]

約数ペア:

[(1, 18309480440), (2, 9154740220), (4, 4577370110), (5, 3661896088), (8, 2288685055), (10, 1830948044), (20, 915474022), (40, 457737011), (571, 32065640), (1142, 16032820), (2284, 8016410), (2855, 6413128), (4568, 4008205), (5710, 3206564), (11420, 1603282), (22840, 801641)]