99880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 246240

約数和(自身を除く): 146360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 440, 454, 908, 1135, 1816, 2270, 2497, 4540, 4994, 9080, 9988, 12485, 19976, 24970, 49940, 99880]

約数ペア:

[(1, 99880), (2, 49940), (4, 24970), (5, 19976), (8, 12485), (10, 9988), (11, 9080), (20, 4994), (22, 4540), (40, 2497), (44, 2270), (55, 1816), (88, 1135), (110, 908), (220, 454), (227, 440)]