28042960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2897}}^1$

素因数の和:2932

約数の個数: 60

約数和(自身を含む): 71690724

約数和(自身を除く): 43647764

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 2897, 4840, 5794, 9680, 11588, 14485, 23176, 28970, 31867, 46352, 57940, 63734, 115880, 127468, 159335, 231760, 254936, 318670, 350537, 509872, 637340, 701074, 1274680, 1402148, 1752685, 2549360, 2804296, 3505370, 5608592, 7010740, 14021480, 28042960]

約数ペア:

[(1, 28042960), (2, 14021480), (4, 7010740), (5, 5608592), (8, 3505370), (10, 2804296), (11, 2549360), (16, 1752685), (20, 1402148), (22, 1274680), (40, 701074), (44, 637340), (55, 509872), (80, 350537), (88, 318670), (110, 254936), (121, 231760), (176, 159335), (220, 127468), (242, 115880), (440, 63734), (484, 57940), (605, 46352), (880, 31867), (968, 28970), (1210, 23176), (1936, 14485), (2420, 11588), (2897, 9680), (4840, 5794)]