3441640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 7812000

約数和(自身を除く): 4370360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 619, 695, 1112, 1238, 1390, 2476, 2780, 3095, 4952, 5560, 6190, 12380, 24760, 86041, 172082, 344164, 430205, 688328, 860410, 1720820, 3441640]

約数ペア:

[(1, 3441640), (2, 1720820), (4, 860410), (5, 688328), (8, 430205), (10, 344164), (20, 172082), (40, 86041), (139, 24760), (278, 12380), (556, 6190), (619, 5560), (695, 4952), (1112, 3095), (1238, 2780), (1390, 2476)]