38720660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2411}}^1$

素因数の和:2504

約数の個数: 48

約数和(自身を含む): 89957952

約数和(自身を除く): 51237292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 2411, 3212, 4015, 4822, 8030, 9644, 12055, 16060, 24110, 26521, 48220, 53042, 106084, 132605, 176003, 265210, 352006, 530420, 704012, 880015, 1760030, 1936033, 3520060, 3872066, 7744132, 9680165, 19360330, 38720660]

約数ペア:

[(1, 38720660), (2, 19360330), (4, 9680165), (5, 7744132), (10, 3872066), (11, 3520060), (20, 1936033), (22, 1760030), (44, 880015), (55, 704012), (73, 530420), (110, 352006), (146, 265210), (220, 176003), (292, 132605), (365, 106084), (730, 53042), (803, 48220), (1460, 26521), (1606, 24110), (2411, 16060), (3212, 12055), (4015, 9644), (4822, 8030)]