55401313640

素因数分解:

$2^3\times 5^1\times {\mathrm{16139}}^1\times {\mathrm{85819}}^1$

素因数の和:101969

約数の個数: 32

約数和(自身を含む): 124662132000

約数和(自身を除く): 69260818360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 16139, 32278, 64556, 80695, 85819, 129112, 161390, 171638, 322780, 343276, 429095, 645560, 686552, 858190, 1716380, 3432760, 1385032841, 2770065682, 5540131364, 6925164205, 11080262728, 13850328410, 27700656820, 55401313640]

約数ペア:

[(1, 55401313640), (2, 27700656820), (4, 13850328410), (5, 11080262728), (8, 6925164205), (10, 5540131364), (20, 2770065682), (40, 1385032841), (16139, 3432760), (32278, 1716380), (64556, 858190), (80695, 686552), (85819, 645560), (129112, 429095), (161390, 343276), (171638, 322780)]