40303840

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2311}}^1$

素因数の和:2435

約数の個数: 48

約数和(自身を含む): 96132960

約数和(自身を除く): 55829120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 2311, 3488, 4360, 4622, 8720, 9244, 11555, 17440, 18488, 23110, 36976, 46220, 73952, 92440, 184880, 251899, 369760, 503798, 1007596, 1259495, 2015192, 2518990, 4030384, 5037980, 8060768, 10075960, 20151920, 40303840]

約数ペア:

[(1, 40303840), (2, 20151920), (4, 10075960), (5, 8060768), (8, 5037980), (10, 4030384), (16, 2518990), (20, 2015192), (32, 1259495), (40, 1007596), (80, 503798), (109, 369760), (160, 251899), (218, 184880), (436, 92440), (545, 73952), (872, 46220), (1090, 36976), (1744, 23110), (2180, 18488), (2311, 17440), (3488, 11555), (4360, 9244), (4622, 8720)]