2105458520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{11933}}^1$

素因数の和:12356

約数の個数: 64

約数和(自身を含む): 5181265440

約数和(自身を除く): 3075806920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 401, 440, 802, 1604, 2005, 3208, 4010, 4411, 8020, 8822, 11933, 16040, 17644, 22055, 23866, 35288, 44110, 47732, 59665, 88220, 95464, 119330, 131263, 176440, 238660, 262526, 477320, 525052, 656315, 1050104, 1312630, 2625260, 4785133, 5250520, 9570266, 19140532, 23925665, 38281064, 47851330, 52636463, 95702660, 105272926, 191405320, 210545852, 263182315, 421091704, 526364630, 1052729260, 2105458520]

約数ペア:

[(1, 2105458520), (2, 1052729260), (4, 526364630), (5, 421091704), (8, 263182315), (10, 210545852), (11, 191405320), (20, 105272926), (22, 95702660), (40, 52636463), (44, 47851330), (55, 38281064), (88, 23925665), (110, 19140532), (220, 9570266), (401, 5250520), (440, 4785133), (802, 2625260), (1604, 1312630), (2005, 1050104), (3208, 656315), (4010, 525052), (4411, 477320), (8020, 262526), (8822, 238660), (11933, 176440), (16040, 131263), (17644, 119330), (22055, 95464), (23866, 88220), (35288, 59665), (44110, 47732)]