28147720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{11927}}^1$

素因数の和:11997

約数の個数: 32

約数和(自身を含む): 64411200

約数和(自身を除く): 36263480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 11927, 23854, 47708, 59635, 95416, 119270, 238540, 477080, 703693, 1407386, 2814772, 3518465, 5629544, 7036930, 14073860, 28147720]

約数ペア:

[(1, 28147720), (2, 14073860), (4, 7036930), (5, 5629544), (8, 3518465), (10, 2814772), (20, 1407386), (40, 703693), (59, 477080), (118, 238540), (236, 119270), (295, 95416), (472, 59635), (590, 47708), (1180, 23854), (2360, 11927)]