81169990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{32083}}^1$

素因数の和:32124

約数の個数: 32

約数和(自身を含む): 166323456

約数和(自身を除く): 85153466

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 32083, 64166, 160415, 320830, 352913, 705826, 737909, 1475818, 1764565, 3529130, 3689545, 7379090, 8116999, 16233998, 40584995, 81169990]

約数ペア:

[(1, 81169990), (2, 40584995), (5, 16233998), (10, 8116999), (11, 7379090), (22, 3689545), (23, 3529130), (46, 1764565), (55, 1475818), (110, 737909), (115, 705826), (230, 352913), (253, 320830), (506, 160415), (1265, 64166), (2530, 32083)]