11280940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1091}}^1$

素因数の和:1158

約数の個数: 48

約数和(自身を含む): 26417664

約数和(自身を除く): 15136724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1091, 2068, 2182, 2585, 4364, 5170, 5455, 10340, 10910, 12001, 21820, 24002, 48004, 51277, 60005, 102554, 120010, 205108, 240020, 256385, 512770, 564047, 1025540, 1128094, 2256188, 2820235, 5640470, 11280940]

約数ペア:

[(1, 11280940), (2, 5640470), (4, 2820235), (5, 2256188), (10, 1128094), (11, 1025540), (20, 564047), (22, 512770), (44, 256385), (47, 240020), (55, 205108), (94, 120010), (110, 102554), (188, 60005), (220, 51277), (235, 48004), (470, 24002), (517, 21820), (940, 12001), (1034, 10910), (1091, 10340), (2068, 5455), (2182, 5170), (2585, 4364)]