8378440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1342

約数の個数: 64

約数和(自身を含む): 22498560

約数和(自身を除く): 14120120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1301, 1610, 2602, 3220, 5204, 6440, 6505, 9107, 10408, 13010, 18214, 26020, 29923, 36428, 45535, 52040, 59846, 72856, 91070, 119692, 149615, 182140, 209461, 239384, 299230, 364280, 418922, 598460, 837844, 1047305, 1196920, 1675688, 2094610, 4189220, 8378440]

約数ペア:

[(1, 8378440), (2, 4189220), (4, 2094610), (5, 1675688), (7, 1196920), (8, 1047305), (10, 837844), (14, 598460), (20, 418922), (23, 364280), (28, 299230), (35, 239384), (40, 209461), (46, 182140), (56, 149615), (70, 119692), (92, 91070), (115, 72856), (140, 59846), (161, 52040), (184, 45535), (230, 36428), (280, 29923), (322, 26020), (460, 18214), (644, 13010), (805, 10408), (920, 9107), (1288, 6505), (1301, 6440), (1610, 5204), (2602, 3220)]