28513308980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{298819}}^1$

素因数の和:299208

約数の個数: 48

約数和(自身を含む): 64659866880

約数和(自身を除く): 36146557900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 367, 734, 1468, 1835, 3670, 4771, 7340, 9542, 19084, 23855, 47710, 95420, 298819, 597638, 1195276, 1494095, 2988190, 3884647, 5976380, 7769294, 15538588, 19423235, 38846470, 77692940, 109666573, 219333146, 438666292, 548332865, 1096665730, 1425665449, 2193331460, 2851330898, 5702661796, 7128327245, 14256654490, 28513308980]

約数ペア:

[(1, 28513308980), (2, 14256654490), (4, 7128327245), (5, 5702661796), (10, 2851330898), (13, 2193331460), (20, 1425665449), (26, 1096665730), (52, 548332865), (65, 438666292), (130, 219333146), (260, 109666573), (367, 77692940), (734, 38846470), (1468, 19423235), (1835, 15538588), (3670, 7769294), (4771, 5976380), (7340, 3884647), (9542, 2988190), (19084, 1494095), (23855, 1195276), (47710, 597638), (95420, 298819)]