131180255680

素因数分解:

$2^6\times 5^1\times {\mathrm{409938299}}^1$

素因数の和:409938316

約数の個数: 28

約数和(自身を含む): 312372984600

約数和(自身を除く): 181192728920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409938299, 819876598, 1639753196, 2049691495, 3279506392, 4099382990, 6559012784, 8198765980, 13118025568, 16397531960, 26236051136, 32795063920, 65590127840, 131180255680]

約数ペア:

[(1, 131180255680), (2, 65590127840), (4, 32795063920), (5, 26236051136), (8, 16397531960), (10, 13118025568), (16, 8198765980), (20, 6559012784), (32, 4099382990), (40, 3279506392), (64, 2049691495), (80, 1639753196), (160, 819876598), (320, 409938299)]