28633880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1103}}^1$

素因数の和:1184

約数の個数: 64

約数和(自身を含む): 71539200

約数和(自身を除く): 42905320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 220, 236, 295, 440, 472, 590, 649, 1103, 1180, 1298, 2206, 2360, 2596, 3245, 4412, 5192, 5515, 6490, 8824, 11030, 12133, 12980, 22060, 24266, 25960, 44120, 48532, 60665, 65077, 97064, 121330, 130154, 242660, 260308, 325385, 485320, 520616, 650770, 715847, 1301540, 1431694, 2603080, 2863388, 3579235, 5726776, 7158470, 14316940, 28633880]

約数ペア:

[(1, 28633880), (2, 14316940), (4, 7158470), (5, 5726776), (8, 3579235), (10, 2863388), (11, 2603080), (20, 1431694), (22, 1301540), (40, 715847), (44, 650770), (55, 520616), (59, 485320), (88, 325385), (110, 260308), (118, 242660), (220, 130154), (236, 121330), (295, 97064), (440, 65077), (472, 60665), (590, 48532), (649, 44120), (1103, 25960), (1180, 24266), (1298, 22060), (2206, 12980), (2360, 12133), (2596, 11030), (3245, 8824), (4412, 6490), (5192, 5515)]