8670820

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3119}}^1$

素因数の和:3267

約数の個数: 24

約数和(自身を含む): 18345600

約数和(自身を除く): 9674780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 3119, 6238, 12476, 15595, 31190, 62380, 433541, 867082, 1734164, 2167705, 4335410, 8670820]

約数ペア:

[(1, 8670820), (2, 4335410), (4, 2167705), (5, 1734164), (10, 867082), (20, 433541), (139, 62380), (278, 31190), (556, 15595), (695, 12476), (1390, 6238), (2780, 3119)]