66885820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1549}}^1$

素因数の和:1702

約数の個数: 48

約数和(自身を含む): 149990400

約数和(自身を除く): 83104580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 127, 170, 254, 340, 508, 635, 1270, 1549, 2159, 2540, 3098, 4318, 6196, 7745, 8636, 10795, 15490, 21590, 26333, 30980, 43180, 52666, 105332, 131665, 196723, 263330, 393446, 526660, 786892, 983615, 1967230, 3344291, 3934460, 6688582, 13377164, 16721455, 33442910, 66885820]

約数ペア:

[(1, 66885820), (2, 33442910), (4, 16721455), (5, 13377164), (10, 6688582), (17, 3934460), (20, 3344291), (34, 1967230), (68, 983615), (85, 786892), (127, 526660), (170, 393446), (254, 263330), (340, 196723), (508, 131665), (635, 105332), (1270, 52666), (1549, 43180), (2159, 30980), (2540, 26333), (3098, 21590), (4318, 15490), (6196, 10795), (7745, 8636)]