164528080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 396474624

約数和(自身を除く): 231946544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 103, 164, 205, 206, 328, 410, 412, 487, 515, 656, 820, 824, 974, 1030, 1640, 1648, 1948, 2060, 2435, 3280, 3896, 4120, 4223, 4870, 7792, 8240, 8446, 9740, 16892, 19480, 19967, 21115, 33784, 38960, 39934, 42230, 50161, 67568, 79868, 84460, 99835, 100322, 159736, 168920, 199670, 200644, 250805, 319472, 337840, 399340, 401288, 501610, 798680, 802576, 1003220, 1597360, 2006440, 2056601, 4012880, 4113202, 8226404, 10283005, 16452808, 20566010, 32905616, 41132020, 82264040, 164528080]

約数ペア:

[(1, 164528080), (2, 82264040), (4, 41132020), (5, 32905616), (8, 20566010), (10, 16452808), (16, 10283005), (20, 8226404), (40, 4113202), (41, 4012880), (80, 2056601), (82, 2006440), (103, 1597360), (164, 1003220), (205, 802576), (206, 798680), (328, 501610), (410, 401288), (412, 399340), (487, 337840), (515, 319472), (656, 250805), (820, 200644), (824, 199670), (974, 168920), (1030, 159736), (1640, 100322), (1648, 99835), (1948, 84460), (2060, 79868), (2435, 67568), (3280, 50161), (3896, 42230), (4120, 39934), (4223, 38960), (4870, 33784), (7792, 21115), (8240, 19967), (8446, 19480), (9740, 16892)]