204023080

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{11161}}^1$

素因数の和:11629

約数の個数: 32

約数和(自身を含む): 460097640

約数和(自身を除く): 256074560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4570, 9140, 11161, 18280, 22322, 44644, 55805, 89288, 111610, 223220, 446440, 5100577, 10201154, 20402308, 25502885, 40804616, 51005770, 102011540, 204023080]

約数ペア:

[(1, 204023080), (2, 102011540), (4, 51005770), (5, 40804616), (8, 25502885), (10, 20402308), (20, 10201154), (40, 5100577), (457, 446440), (914, 223220), (1828, 111610), (2285, 89288), (3656, 55805), (4570, 44644), (9140, 22322), (11161, 18280)]