67540520

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6277}}^1$

素因数の和:6557

約数の個数: 32

約数和(自身を含む): 152555400

約数和(自身を除く): 85014880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 6277, 10760, 12554, 25108, 31385, 50216, 62770, 125540, 251080, 1688513, 3377026, 6754052, 8442565, 13508104, 16885130, 33770260, 67540520]

約数ペア:

[(1, 67540520), (2, 33770260), (4, 16885130), (5, 13508104), (8, 8442565), (10, 6754052), (20, 3377026), (40, 1688513), (269, 251080), (538, 125540), (1076, 62770), (1345, 50216), (2152, 31385), (2690, 25108), (5380, 12554), (6277, 10760)]