163490000

素因数分解:

$2^4\times 5^4\times {\mathrm{16349}}^1$

素因数の和:16377

約数の個数: 50

約数和(自身を含む): 395849850

約数和(自身を除く): 232359850

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 16349, 32698, 65396, 81745, 130792, 163490, 261584, 326980, 408725, 653960, 817450, 1307920, 1634900, 2043625, 3269800, 4087250, 6539600, 8174500, 10218125, 16349000, 20436250, 32698000, 40872500, 81745000, 163490000]

約数ペア:

[(1, 163490000), (2, 81745000), (4, 40872500), (5, 32698000), (8, 20436250), (10, 16349000), (16, 10218125), (20, 8174500), (25, 6539600), (40, 4087250), (50, 3269800), (80, 2043625), (100, 1634900), (125, 1307920), (200, 817450), (250, 653960), (400, 408725), (500, 326980), (625, 261584), (1000, 163490), (1250, 130792), (2000, 81745), (2500, 65396), (5000, 32698), (10000, 16349)]