204046720

素因数分解:

$2^7\times 5^1\times {\mathrm{318823}}^1$

素因数の和:318842

約数の個数: 32

約数和(自身を含む): 487800720

約数和(自身を除く): 283754000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 318823, 637646, 1275292, 1594115, 2550584, 3188230, 5101168, 6376460, 10202336, 12752920, 20404672, 25505840, 40809344, 51011680, 102023360, 204046720]

約数ペア:

[(1, 204046720), (2, 102023360), (4, 51011680), (5, 40809344), (8, 25505840), (10, 20404672), (16, 12752920), (20, 10202336), (32, 6376460), (40, 5101168), (64, 3188230), (80, 2550584), (128, 1594115), (160, 1275292), (320, 637646), (640, 318823)]