2051215010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1\times {\mathrm{643}}^1$

素因数の和:1179

約数の個数: 64

約数和(自身を含む): 4066288128

約数和(自身を除く): 2015073118

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 463, 530, 643, 689, 926, 1286, 1378, 2315, 3215, 3445, 4630, 6019, 6430, 6890, 8359, 12038, 16718, 24539, 30095, 34079, 41795, 49078, 60190, 68158, 83590, 122695, 170395, 245390, 297709, 319007, 340790, 443027, 595418, 638014, 886054, 1488545, 1595035, 2215135, 2977090, 3190070, 3870217, 4430270, 7740434, 15778577, 19351085, 31557154, 38702170, 78892885, 157785770, 205121501, 410243002, 1025607505, 2051215010]

約数ペア:

[(1, 2051215010), (2, 1025607505), (5, 410243002), (10, 205121501), (13, 157785770), (26, 78892885), (53, 38702170), (65, 31557154), (106, 19351085), (130, 15778577), (265, 7740434), (463, 4430270), (530, 3870217), (643, 3190070), (689, 2977090), (926, 2215135), (1286, 1595035), (1378, 1488545), (2315, 886054), (3215, 638014), (3445, 595418), (4630, 443027), (6019, 340790), (6430, 319007), (6890, 297709), (8359, 245390), (12038, 170395), (16718, 122695), (24539, 83590), (30095, 68158), (34079, 60190), (41795, 49078)]