13387880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30427}}^1$

素因数の和:30449

約数の個数: 32

約数和(自身を含む): 32862240

約数和(自身を除く): 19474360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 30427, 60854, 121708, 152135, 243416, 304270, 334697, 608540, 669394, 1217080, 1338788, 1673485, 2677576, 3346970, 6693940, 13387880]

約数ペア:

[(1, 13387880), (2, 6693940), (4, 3346970), (5, 2677576), (8, 1673485), (10, 1338788), (11, 1217080), (20, 669394), (22, 608540), (40, 334697), (44, 304270), (55, 243416), (88, 152135), (110, 121708), (220, 60854), (440, 30427)]