9129520

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:973

約数の個数: 40

約数和(自身を含む): 21404880

約数和(自身を除く): 12275360

約数列:

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

約数ペア:

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