1640578060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{17713}}^1$

素因数の和:18154

約数の個数: 48

約数和(自身を含む): 3767555232

約数和(自身を除く): 2126977172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 421, 842, 1684, 2105, 4210, 4631, 8420, 9262, 17713, 18524, 23155, 35426, 46310, 70852, 88565, 92620, 177130, 194843, 354260, 389686, 779372, 974215, 1948430, 3896860, 7457173, 14914346, 29828692, 37285865, 74571730, 82028903, 149143460, 164057806, 328115612, 410144515, 820289030, 1640578060]

約数ペア:

[(1, 1640578060), (2, 820289030), (4, 410144515), (5, 328115612), (10, 164057806), (11, 149143460), (20, 82028903), (22, 74571730), (44, 37285865), (55, 29828692), (110, 14914346), (220, 7457173), (421, 3896860), (842, 1948430), (1684, 974215), (2105, 779372), (4210, 389686), (4631, 354260), (8420, 194843), (9262, 177130), (17713, 92620), (18524, 88565), (23155, 70852), (35426, 46310)]