13289480

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3733}}^1$

素因数の和:3833

約数の個数: 32

約数和(自身を含む): 30245400

約数和(自身を除く): 16955920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 3733, 7466, 14932, 18665, 29864, 37330, 74660, 149320, 332237, 664474, 1328948, 1661185, 2657896, 3322370, 6644740, 13289480]

約数ペア:

[(1, 13289480), (2, 6644740), (4, 3322370), (5, 2657896), (8, 1661185), (10, 1328948), (20, 664474), (40, 332237), (89, 149320), (178, 74660), (356, 37330), (445, 29864), (712, 18665), (890, 14932), (1780, 7466), (3560, 3733)]