8226640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 21212928

約数和(自身を除く): 12986288

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 263, 272, 340, 368, 391, 460, 526, 680, 782, 920, 1052, 1315, 1360, 1564, 1840, 1955, 2104, 2630, 3128, 3910, 4208, 4471, 5260, 6049, 6256, 7820, 8942, 10520, 12098, 15640, 17884, 21040, 22355, 24196, 30245, 31280, 35768, 44710, 48392, 60490, 71536, 89420, 96784, 102833, 120980, 178840, 205666, 241960, 357680, 411332, 483920, 514165, 822664, 1028330, 1645328, 2056660, 4113320, 8226640]

約数ペア:

[(1, 8226640), (2, 4113320), (4, 2056660), (5, 1645328), (8, 1028330), (10, 822664), (16, 514165), (17, 483920), (20, 411332), (23, 357680), (34, 241960), (40, 205666), (46, 178840), (68, 120980), (80, 102833), (85, 96784), (92, 89420), (115, 71536), (136, 60490), (170, 48392), (184, 44710), (230, 35768), (263, 31280), (272, 30245), (340, 24196), (368, 22355), (391, 21040), (460, 17884), (526, 15640), (680, 12098), (782, 10520), (920, 8942), (1052, 7820), (1315, 6256), (1360, 6049), (1564, 5260), (1840, 4471), (1955, 4208), (2104, 3910), (2630, 3128)]