17288720

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1097}}^1$

素因数の和:1307

約数の個数: 40

約数和(自身を含む): 40437144

約数和(自身を除く): 23148424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1097, 1576, 1970, 2194, 3152, 3940, 4388, 5485, 7880, 8776, 10970, 15760, 17552, 21940, 43880, 87760, 216109, 432218, 864436, 1080545, 1728872, 2161090, 3457744, 4322180, 8644360, 17288720]

約数ペア:

[(1, 17288720), (2, 8644360), (4, 4322180), (5, 3457744), (8, 2161090), (10, 1728872), (16, 1080545), (20, 864436), (40, 432218), (80, 216109), (197, 87760), (394, 43880), (788, 21940), (985, 17552), (1097, 15760), (1576, 10970), (1970, 8776), (2194, 7880), (3152, 5485), (3940, 4388)]