425994620

素因数分解:

$2^2\times 5^1\times {\mathrm{1759}}^1\times {\mathrm{12109}}^1$

素因数の和:13877

約数の個数: 24

約数和(自身を含む): 895171200

約数和(自身を除く): 469176580

約数列:

[1, 2, 4, 5, 10, 20, 1759, 3518, 7036, 8795, 12109, 17590, 24218, 35180, 48436, 60545, 121090, 242180, 21299731, 42599462, 85198924, 106498655, 212997310, 425994620]

約数ペア:

[(1, 425994620), (2, 212997310), (4, 106498655), (5, 85198924), (10, 42599462), (20, 21299731), (1759, 242180), (3518, 121090), (7036, 60545), (8795, 48436), (12109, 35180), (17590, 24218)]