31375520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17827}}^1$

素因数の和:17853

約数の個数: 48

約数和(自身を含む): 80867808

約数和(自身を除く): 49492288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 17827, 35654, 71308, 89135, 142616, 178270, 196097, 285232, 356540, 392194, 570464, 713080, 784388, 980485, 1426160, 1568776, 1960970, 2852320, 3137552, 3921940, 6275104, 7843880, 15687760, 31375520]

約数ペア:

[(1, 31375520), (2, 15687760), (4, 7843880), (5, 6275104), (8, 3921940), (10, 3137552), (11, 2852320), (16, 1960970), (20, 1568776), (22, 1426160), (32, 980485), (40, 784388), (44, 713080), (55, 570464), (80, 392194), (88, 356540), (110, 285232), (160, 196097), (176, 178270), (220, 142616), (352, 89135), (440, 71308), (880, 35654), (1760, 17827)]