39497560

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1429}}^1$

素因数の和:2131

約数の個数: 32

約数和(自身を含む): 89060400

約数和(自身を除く): 49562840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 1429, 2764, 2858, 3455, 5528, 5716, 6910, 7145, 11432, 13820, 14290, 27640, 28580, 57160, 987439, 1974878, 3949756, 4937195, 7899512, 9874390, 19748780, 39497560]

約数ペア:

[(1, 39497560), (2, 19748780), (4, 9874390), (5, 7899512), (8, 4937195), (10, 3949756), (20, 1974878), (40, 987439), (691, 57160), (1382, 28580), (1429, 27640), (2764, 14290), (2858, 13820), (3455, 11432), (5528, 7145), (5716, 6910)]