25775920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 62853120

約数和(自身を除く): 37077200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 59, 80, 86, 118, 127, 172, 215, 236, 254, 295, 344, 430, 472, 508, 590, 635, 688, 860, 944, 1016, 1180, 1270, 1720, 2032, 2360, 2537, 2540, 3440, 4720, 5074, 5080, 5461, 7493, 10148, 10160, 10922, 12685, 14986, 20296, 21844, 25370, 27305, 29972, 37465, 40592, 43688, 50740, 54610, 59944, 74930, 87376, 101480, 109220, 119888, 149860, 202960, 218440, 299720, 322199, 436880, 599440, 644398, 1288796, 1610995, 2577592, 3221990, 5155184, 6443980, 12887960, 25775920]

約数ペア:

[(1, 25775920), (2, 12887960), (4, 6443980), (5, 5155184), (8, 3221990), (10, 2577592), (16, 1610995), (20, 1288796), (40, 644398), (43, 599440), (59, 436880), (80, 322199), (86, 299720), (118, 218440), (127, 202960), (172, 149860), (215, 119888), (236, 109220), (254, 101480), (295, 87376), (344, 74930), (430, 59944), (472, 54610), (508, 50740), (590, 43688), (635, 40592), (688, 37465), (860, 29972), (944, 27305), (1016, 25370), (1180, 21844), (1270, 20296), (1720, 14986), (2032, 12685), (2360, 10922), (2537, 10160), (2540, 10148), (3440, 7493), (4720, 5461), (5074, 5080)]