111280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:133

約数の個数: 40

約数和(自身を含む): 281232

約数和(自身を除く): 169952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 428, 520, 535, 856, 1040, 1070, 1391, 1712, 2140, 2782, 4280, 5564, 6955, 8560, 11128, 13910, 22256, 27820, 55640, 111280]

約数ペア:

[(1, 111280), (2, 55640), (4, 27820), (5, 22256), (8, 13910), (10, 11128), (13, 8560), (16, 6955), (20, 5564), (26, 4280), (40, 2782), (52, 2140), (65, 1712), (80, 1391), (104, 1070), (107, 1040), (130, 856), (208, 535), (214, 520), (260, 428)]