16502480

素因数分解:

$2^4\times 5^1\times {\mathrm{206281}}^1$

素因数の和:206294

約数の個数: 20

約数和(自身を含む): 38368452

約数和(自身を除く): 21865972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 206281, 412562, 825124, 1031405, 1650248, 2062810, 3300496, 4125620, 8251240, 16502480]

約数ペア:

[(1, 16502480), (2, 8251240), (4, 4125620), (5, 3300496), (8, 2062810), (10, 1650248), (16, 1031405), (20, 825124), (40, 412562), (80, 206281)]