87126640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 210361536

約数和(自身を除く): 123234896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 101, 164, 202, 205, 263, 328, 404, 410, 505, 526, 656, 808, 820, 1010, 1052, 1315, 1616, 1640, 2020, 2104, 2630, 3280, 4040, 4141, 4208, 5260, 8080, 8282, 10520, 10783, 16564, 20705, 21040, 21566, 26563, 33128, 41410, 43132, 53126, 53915, 66256, 82820, 86264, 106252, 107830, 132815, 165640, 172528, 212504, 215660, 265630, 331280, 425008, 431320, 531260, 862640, 1062520, 1089083, 2125040, 2178166, 4356332, 5445415, 8712664, 10890830, 17425328, 21781660, 43563320, 87126640]

約数ペア:

[(1, 87126640), (2, 43563320), (4, 21781660), (5, 17425328), (8, 10890830), (10, 8712664), (16, 5445415), (20, 4356332), (40, 2178166), (41, 2125040), (80, 1089083), (82, 1062520), (101, 862640), (164, 531260), (202, 431320), (205, 425008), (263, 331280), (328, 265630), (404, 215660), (410, 212504), (505, 172528), (526, 165640), (656, 132815), (808, 107830), (820, 106252), (1010, 86264), (1052, 82820), (1315, 66256), (1616, 53915), (1640, 53126), (2020, 43132), (2104, 41410), (2630, 33128), (3280, 26563), (4040, 21566), (4141, 21040), (4208, 20705), (5260, 16564), (8080, 10783), (8282, 10520)]