201994880

素因数分解:

$2^7\times 5^1\times {\mathrm{315617}}^1$

素因数の和:315636

約数の個数: 32

約数和(自身を含む): 482895540

約数和(自身を除く): 280900660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315617, 631234, 1262468, 1578085, 2524936, 3156170, 5049872, 6312340, 10099744, 12624680, 20199488, 25249360, 40398976, 50498720, 100997440, 201994880]

約数ペア:

[(1, 201994880), (2, 100997440), (4, 50498720), (5, 40398976), (8, 25249360), (10, 20199488), (16, 12624680), (20, 10099744), (32, 6312340), (40, 5049872), (64, 3156170), (80, 2524936), (128, 1578085), (160, 1262468), (320, 631234), (640, 315617)]