20101400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9137}}^1$

素因数の和:9164

約数の個数: 48

約数和(自身を含む): 50990040

約数和(自身を除く): 30888640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9137, 18274, 36548, 45685, 73096, 91370, 100507, 182740, 201014, 228425, 365480, 402028, 456850, 502535, 804056, 913700, 1005070, 1827400, 2010140, 2512675, 4020280, 5025350, 10050700, 20101400]

約数ペア:

[(1, 20101400), (2, 10050700), (4, 5025350), (5, 4020280), (8, 2512675), (10, 2010140), (11, 1827400), (20, 1005070), (22, 913700), (25, 804056), (40, 502535), (44, 456850), (50, 402028), (55, 365480), (88, 228425), (100, 201014), (110, 182740), (200, 100507), (220, 91370), (275, 73096), (440, 45685), (550, 36548), (1100, 18274), (2200, 9137)]