82264040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 191842560

約数和(自身を除く): 109578520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 103, 164, 205, 206, 328, 410, 412, 487, 515, 820, 824, 974, 1030, 1640, 1948, 2060, 2435, 3896, 4120, 4223, 4870, 8446, 9740, 16892, 19480, 19967, 21115, 33784, 39934, 42230, 50161, 79868, 84460, 99835, 100322, 159736, 168920, 199670, 200644, 250805, 399340, 401288, 501610, 798680, 1003220, 2006440, 2056601, 4113202, 8226404, 10283005, 16452808, 20566010, 41132020, 82264040]

約数ペア:

[(1, 82264040), (2, 41132020), (4, 20566010), (5, 16452808), (8, 10283005), (10, 8226404), (20, 4113202), (40, 2056601), (41, 2006440), (82, 1003220), (103, 798680), (164, 501610), (205, 401288), (206, 399340), (328, 250805), (410, 200644), (412, 199670), (487, 168920), (515, 159736), (820, 100322), (824, 99835), (974, 84460), (1030, 79868), (1640, 50161), (1948, 42230), (2060, 39934), (2435, 33784), (3896, 21115), (4120, 19967), (4223, 19480), (4870, 16892), (8446, 9740)]