205470640

素因数分解:

$2^4\times 5^1\times {\mathrm{853}}^1\times {\mathrm{3011}}^1$

素因数の和:3877

約数の個数: 40

約数和(自身を含む): 478438128

約数和(自身を除く): 272967488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 853, 1706, 3011, 3412, 4265, 6022, 6824, 8530, 12044, 13648, 15055, 17060, 24088, 30110, 34120, 48176, 60220, 68240, 120440, 240880, 2568383, 5136766, 10273532, 12841915, 20547064, 25683830, 41094128, 51367660, 102735320, 205470640]

約数ペア:

[(1, 205470640), (2, 102735320), (4, 51367660), (5, 41094128), (8, 25683830), (10, 20547064), (16, 12841915), (20, 10273532), (40, 5136766), (80, 2568383), (853, 240880), (1706, 120440), (3011, 68240), (3412, 60220), (4265, 48176), (6022, 34120), (6824, 30110), (8530, 24088), (12044, 17060), (13648, 15055)]