68805374840

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{3731311}}^1$

素因数の和:3731783

約数の個数: 32

約数和(自身を含む): 155147952960

約数和(自身を除く): 86342578120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 9220, 18440, 3731311, 7462622, 14925244, 18656555, 29850488, 37313110, 74626220, 149252440, 1720134371, 3440268742, 6880537484, 8600671855, 13761074968, 17201343710, 34402687420, 68805374840]

約数ペア:

[(1, 68805374840), (2, 34402687420), (4, 17201343710), (5, 13761074968), (8, 8600671855), (10, 6880537484), (20, 3440268742), (40, 1720134371), (461, 149252440), (922, 74626220), (1844, 37313110), (2305, 29850488), (3688, 18656555), (4610, 14925244), (9220, 7462622), (18440, 3731311)]