1330578640

素因数分解:

$2^4\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{10337}}^1$

素因数の和:11959

約数の個数: 40

約数和(自身を含む): 3095817480

約数和(自身を除く): 1765238840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1609, 3218, 6436, 8045, 10337, 12872, 16090, 20674, 25744, 32180, 41348, 51685, 64360, 82696, 103370, 128720, 165392, 206740, 413480, 826960, 16632233, 33264466, 66528932, 83161165, 133057864, 166322330, 266115728, 332644660, 665289320, 1330578640]

約数ペア:

[(1, 1330578640), (2, 665289320), (4, 332644660), (5, 266115728), (8, 166322330), (10, 133057864), (16, 83161165), (20, 66528932), (40, 33264466), (80, 16632233), (1609, 826960), (3218, 413480), (6436, 206740), (8045, 165392), (10337, 128720), (12872, 103370), (16090, 82696), (20674, 64360), (25744, 51685), (32180, 41348)]