216224720

素因数分解:

$2^4\times 5^1\times {\mathrm{2702809}}^1$

素因数の和:2702822

約数の個数: 20

約数和(自身を含む): 502722660

約数和(自身を除く): 286497940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2702809, 5405618, 10811236, 13514045, 21622472, 27028090, 43244944, 54056180, 108112360, 216224720]

約数ペア:

[(1, 216224720), (2, 108112360), (4, 54056180), (5, 43244944), (8, 27028090), (10, 21622472), (16, 13514045), (20, 10811236), (40, 5405618), (80, 2702809)]