12903550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:861

約数の個数: 48

約数和(自身を含む): 27118800

約数和(自身を除く): 14215250

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 145, 275, 290, 319, 550, 638, 725, 809, 1450, 1595, 1618, 3190, 4045, 7975, 8090, 8899, 15950, 17798, 20225, 23461, 40450, 44495, 46922, 88990, 117305, 222475, 234610, 258071, 444950, 516142, 586525, 1173050, 1290355, 2580710, 6451775, 12903550]

約数ペア:

[(1, 12903550), (2, 6451775), (5, 2580710), (10, 1290355), (11, 1173050), (22, 586525), (25, 516142), (29, 444950), (50, 258071), (55, 234610), (58, 222475), (110, 117305), (145, 88990), (275, 46922), (290, 44495), (319, 40450), (550, 23461), (638, 20225), (725, 17798), (809, 15950), (1450, 8899), (1595, 8090), (1618, 7975), (3190, 4045)]