28290800

素因数分解:

$2^4\times 5^2\times {\mathrm{107}}^1\times {\mathrm{661}}^1$

素因数の和:786

約数の個数: 60

約数和(自身を含む): 68707656

約数和(自身を除く): 40416856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 107, 200, 214, 400, 428, 535, 661, 856, 1070, 1322, 1712, 2140, 2644, 2675, 3305, 4280, 5288, 5350, 6610, 8560, 10576, 10700, 13220, 16525, 21400, 26440, 33050, 42800, 52880, 66100, 70727, 132200, 141454, 264400, 282908, 353635, 565816, 707270, 1131632, 1414540, 1768175, 2829080, 3536350, 5658160, 7072700, 14145400, 28290800]

約数ペア:

[(1, 28290800), (2, 14145400), (4, 7072700), (5, 5658160), (8, 3536350), (10, 2829080), (16, 1768175), (20, 1414540), (25, 1131632), (40, 707270), (50, 565816), (80, 353635), (100, 282908), (107, 264400), (200, 141454), (214, 132200), (400, 70727), (428, 66100), (535, 52880), (661, 42800), (856, 33050), (1070, 26440), (1322, 21400), (1712, 16525), (2140, 13220), (2644, 10700), (2675, 10576), (3305, 8560), (4280, 6610), (5288, 5350)]