18259040

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 43500240

約数和(自身を除く): 25241200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 821, 1112, 1390, 1642, 2224, 2780, 3284, 4105, 4448, 5560, 6568, 8210, 11120, 13136, 16420, 22240, 26272, 32840, 65680, 114119, 131360, 228238, 456476, 570595, 912952, 1141190, 1825904, 2282380, 3651808, 4564760, 9129520, 18259040]

約数ペア:

[(1, 18259040), (2, 9129520), (4, 4564760), (5, 3651808), (8, 2282380), (10, 1825904), (16, 1141190), (20, 912952), (32, 570595), (40, 456476), (80, 228238), (139, 131360), (160, 114119), (278, 65680), (556, 32840), (695, 26272), (821, 22240), (1112, 16420), (1390, 13136), (1642, 11120), (2224, 8210), (2780, 6568), (3284, 5560), (4105, 4448)]