421775240

素因数分解:

$2^3\times 5^1\times {\mathrm{10544381}}^1$

素因数の和:10544392

約数の個数: 16

約数和(自身を含む): 948994380

約数和(自身を除く): 527219140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10544381, 21088762, 42177524, 52721905, 84355048, 105443810, 210887620, 421775240]

約数ペア:

[(1, 421775240), (2, 210887620), (4, 105443810), (5, 84355048), (8, 52721905), (10, 42177524), (20, 21088762), (40, 10544381)]