55290440

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6551}}^1$

素因数の和:6773

約数の個数: 32

約数和(自身を含む): 125012160

約数和(自身を除く): 69721720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 6551, 8440, 13102, 26204, 32755, 52408, 65510, 131020, 262040, 1382261, 2764522, 5529044, 6911305, 11058088, 13822610, 27645220, 55290440]

約数ペア:

[(1, 55290440), (2, 27645220), (4, 13822610), (5, 11058088), (8, 6911305), (10, 5529044), (20, 2764522), (40, 1382261), (211, 262040), (422, 131020), (844, 65510), (1055, 52408), (1688, 32755), (2110, 26204), (4220, 13102), (6551, 8440)]