80815120

素因数分解:

$2^4\times 5^1\times {\mathrm{433}}^1\times {\mathrm{2333}}^1$

素因数の和:2779

約数の個数: 40

約数和(自身を含む): 188409816

約数和(自身を除く): 107594696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 433, 866, 1732, 2165, 2333, 3464, 4330, 4666, 6928, 8660, 9332, 11665, 17320, 18664, 23330, 34640, 37328, 46660, 93320, 186640, 1010189, 2020378, 4040756, 5050945, 8081512, 10101890, 16163024, 20203780, 40407560, 80815120]

約数ペア:

[(1, 80815120), (2, 40407560), (4, 20203780), (5, 16163024), (8, 10101890), (10, 8081512), (16, 5050945), (20, 4040756), (40, 2020378), (80, 1010189), (433, 186640), (866, 93320), (1732, 46660), (2165, 37328), (2333, 34640), (3464, 23330), (4330, 18664), (4666, 17320), (6928, 11665), (8660, 9332)]