80877775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 120349440

約数和(自身を除く): 39471665

約数列:

[1, 5, 11, 19, 23, 25, 55, 95, 115, 209, 253, 275, 437, 475, 575, 673, 1045, 1265, 2185, 3365, 4807, 5225, 6325, 7403, 10925, 12787, 15479, 16825, 24035, 37015, 63935, 77395, 120175, 140657, 170269, 185075, 294101, 319675, 386975, 703285, 851345, 1470505, 3235111, 3516425, 4256725, 7352525, 16175555, 80877775]

約数ペア:

[(1, 80877775), (5, 16175555), (11, 7352525), (19, 4256725), (23, 3516425), (25, 3235111), (55, 1470505), (95, 851345), (115, 703285), (209, 386975), (253, 319675), (275, 294101), (437, 185075), (475, 170269), (575, 140657), (673, 120175), (1045, 77395), (1265, 63935), (2185, 37015), (3365, 24035), (4807, 16825), (5225, 15479), (6325, 12787), (7403, 10925)]