80929660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1187}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 194793984

約数和(自身を除く): 113864324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487, 974, 1187, 1948, 2374, 2435, 3409, 4748, 4870, 5935, 6818, 8309, 9740, 11870, 13636, 16618, 17045, 23740, 33236, 34090, 41545, 68180, 83090, 166180, 578069, 1156138, 2312276, 2890345, 4046483, 5780690, 8092966, 11561380, 16185932, 20232415, 40464830, 80929660]

約数ペア:

[(1, 80929660), (2, 40464830), (4, 20232415), (5, 16185932), (7, 11561380), (10, 8092966), (14, 5780690), (20, 4046483), (28, 2890345), (35, 2312276), (70, 1156138), (140, 578069), (487, 166180), (974, 83090), (1187, 68180), (1948, 41545), (2374, 34090), (2435, 33236), (3409, 23740), (4748, 17045), (4870, 16618), (5935, 13636), (6818, 11870), (8309, 9740)]