40193620

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25439}}^1$

素因数の和:25527

約数の個数: 24

約数和(自身を含む): 85478400

約数和(自身を除く): 45284780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 25439, 50878, 101756, 127195, 254390, 508780, 2009681, 4019362, 8038724, 10048405, 20096810, 40193620]

約数ペア:

[(1, 40193620), (2, 20096810), (4, 10048405), (5, 8038724), (10, 4019362), (20, 2009681), (79, 508780), (158, 254390), (316, 127195), (395, 101756), (790, 50878), (1580, 25439)]