64180820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{2411}}^1$

素因数の和:2453

約数の個数: 48

約数和(自身を含む): 148309056

約数和(自身を除く): 84128236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1331, 2411, 2420, 2662, 4822, 5324, 6655, 9644, 12055, 13310, 24110, 26521, 26620, 48220, 53042, 106084, 132605, 265210, 291731, 530420, 583462, 1166924, 1458655, 2917310, 3209041, 5834620, 6418082, 12836164, 16045205, 32090410, 64180820]

約数ペア:

[(1, 64180820), (2, 32090410), (4, 16045205), (5, 12836164), (10, 6418082), (11, 5834620), (20, 3209041), (22, 2917310), (44, 1458655), (55, 1166924), (110, 583462), (121, 530420), (220, 291731), (242, 265210), (484, 132605), (605, 106084), (1210, 53042), (1331, 48220), (2411, 26620), (2420, 26521), (2662, 24110), (4822, 13310), (5324, 12055), (6655, 9644)]