80670520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{288109}}^1$

素因数の和:288127

約数の個数: 32

約数和(自身を含む): 207439200

約数和(自身を除く): 126768680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 288109, 576218, 1152436, 1440545, 2016763, 2304872, 2881090, 4033526, 5762180, 8067052, 10083815, 11524360, 16134104, 20167630, 40335260, 80670520]

約数ペア:

[(1, 80670520), (2, 40335260), (4, 20167630), (5, 16134104), (7, 11524360), (8, 10083815), (10, 8067052), (14, 5762180), (20, 4033526), (28, 2881090), (35, 2304872), (40, 2016763), (56, 1440545), (70, 1152436), (140, 576218), (280, 288109)]