66771640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1759}}^1$

素因数の和:1856

約数の個数: 64

約数和(自身を含む): 164102400

約数和(自身を除く): 97330760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 260, 292, 365, 520, 584, 730, 949, 1460, 1759, 1898, 2920, 3518, 3796, 4745, 7036, 7592, 8795, 9490, 14072, 17590, 18980, 22867, 35180, 37960, 45734, 70360, 91468, 114335, 128407, 182936, 228670, 256814, 457340, 513628, 642035, 914680, 1027256, 1284070, 1669291, 2568140, 3338582, 5136280, 6677164, 8346455, 13354328, 16692910, 33385820, 66771640]

約数ペア:

[(1, 66771640), (2, 33385820), (4, 16692910), (5, 13354328), (8, 8346455), (10, 6677164), (13, 5136280), (20, 3338582), (26, 2568140), (40, 1669291), (52, 1284070), (65, 1027256), (73, 914680), (104, 642035), (130, 513628), (146, 457340), (260, 256814), (292, 228670), (365, 182936), (520, 128407), (584, 114335), (730, 91468), (949, 70360), (1460, 45734), (1759, 37960), (1898, 35180), (2920, 22867), (3518, 18980), (3796, 17590), (4745, 14072), (7036, 9490), (7592, 8795)]