40810280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6337}}^1$

素因数の和:6378

約数の個数: 64

約数和(自身を含む): 109520640

約数和(自身を除く): 68710360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6337, 6440, 12674, 25348, 31685, 44359, 50696, 63370, 88718, 126740, 145751, 177436, 221795, 253480, 291502, 354872, 443590, 583004, 728755, 887180, 1020257, 1166008, 1457510, 1774360, 2040514, 2915020, 4081028, 5101285, 5830040, 8162056, 10202570, 20405140, 40810280]

約数ペア:

[(1, 40810280), (2, 20405140), (4, 10202570), (5, 8162056), (7, 5830040), (8, 5101285), (10, 4081028), (14, 2915020), (20, 2040514), (23, 1774360), (28, 1457510), (35, 1166008), (40, 1020257), (46, 887180), (56, 728755), (70, 583004), (92, 443590), (115, 354872), (140, 291502), (161, 253480), (184, 221795), (230, 177436), (280, 145751), (322, 126740), (460, 88718), (644, 63370), (805, 50696), (920, 44359), (1288, 31685), (1610, 25348), (3220, 12674), (6337, 6440)]