5419240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2221}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 12398760

約数和(自身を除く): 6979520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2221, 2440, 4442, 8884, 11105, 17768, 22210, 44420, 88840, 135481, 270962, 541924, 677405, 1083848, 1354810, 2709620, 5419240]

約数ペア:

[(1, 5419240), (2, 2709620), (4, 1354810), (5, 1083848), (8, 677405), (10, 541924), (20, 270962), (40, 135481), (61, 88840), (122, 44420), (244, 22210), (305, 17768), (488, 11105), (610, 8884), (1220, 4442), (2221, 2440)]