16800800

素因数分解:

$2^5\times 5^2\times {\mathrm{21001}}^1$

素因数の和:21021

約数の個数: 36

約数和(自身を含む): 41016906

約数和(自身を除く): 24216106

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 21001, 42002, 84004, 105005, 168008, 210010, 336016, 420020, 525025, 672032, 840040, 1050050, 1680080, 2100100, 3360160, 4200200, 8400400, 16800800]

約数ペア:

[(1, 16800800), (2, 8400400), (4, 4200200), (5, 3360160), (8, 2100100), (10, 1680080), (16, 1050050), (20, 840040), (25, 672032), (32, 525025), (40, 420020), (50, 336016), (80, 210010), (100, 168008), (160, 105005), (200, 84004), (400, 42002), (800, 21001)]