205412980

素因数分解:

$2^2\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{5741}}^1$

素因数の和:7539

約数の個数: 24

約数和(自身を含む): 431683560

約数和(自身を除く): 226270580

約数列:

[1, 2, 4, 5, 10, 20, 1789, 3578, 5741, 7156, 8945, 11482, 17890, 22964, 28705, 35780, 57410, 114820, 10270649, 20541298, 41082596, 51353245, 102706490, 205412980]

約数ペア:

[(1, 205412980), (2, 102706490), (4, 51353245), (5, 41082596), (10, 20541298), (20, 10270649), (1789, 114820), (3578, 57410), (5741, 35780), (7156, 28705), (8945, 22964), (11482, 17890)]