27121900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 65523584

約数和(自身を除く): 38401684

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 673, 775, 806, 1300, 1346, 1550, 1612, 2015, 2692, 3100, 3365, 4030, 6730, 8060, 8749, 10075, 13460, 16825, 17498, 20150, 20863, 33650, 34996, 40300, 41726, 43745, 67300, 83452, 87490, 104315, 174980, 208630, 218725, 271219, 417260, 437450, 521575, 542438, 874900, 1043150, 1084876, 1356095, 2086300, 2712190, 5424380, 6780475, 13560950, 27121900]

約数ペア:

[(1, 27121900), (2, 13560950), (4, 6780475), (5, 5424380), (10, 2712190), (13, 2086300), (20, 1356095), (25, 1084876), (26, 1043150), (31, 874900), (50, 542438), (52, 521575), (62, 437450), (65, 417260), (100, 271219), (124, 218725), (130, 208630), (155, 174980), (260, 104315), (310, 87490), (325, 83452), (403, 67300), (620, 43745), (650, 41726), (673, 40300), (775, 34996), (806, 33650), (1300, 20863), (1346, 20150), (1550, 17498), (1612, 16825), (2015, 13460), (2692, 10075), (3100, 8749), (3365, 8060), (4030, 6730)]