55105520

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{839}}^1$

素因数の和:1673

約数の個数: 40

約数和(自身を含む): 128429280

約数和(自身を除く): 73323760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 839, 1642, 1678, 3284, 3356, 4105, 4195, 6568, 6712, 8210, 8390, 13136, 13424, 16420, 16780, 32840, 33560, 65680, 67120, 688819, 1377638, 2755276, 3444095, 5510552, 6888190, 11021104, 13776380, 27552760, 55105520]

約数ペア:

[(1, 55105520), (2, 27552760), (4, 13776380), (5, 11021104), (8, 6888190), (10, 5510552), (16, 3444095), (20, 2755276), (40, 1377638), (80, 688819), (821, 67120), (839, 65680), (1642, 33560), (1678, 32840), (3284, 16780), (3356, 16420), (4105, 13424), (4195, 13136), (6568, 8390), (6712, 8210)]