87840775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 124679520

約数和(自身を除く): 36838745

約数列:

[1, 5, 11, 25, 37, 55, 89, 97, 185, 275, 407, 445, 485, 925, 979, 1067, 2035, 2225, 2425, 3293, 3589, 4895, 5335, 8633, 10175, 16465, 17945, 24475, 26675, 36223, 39479, 43165, 82325, 89725, 94963, 181115, 197395, 215825, 319421, 474815, 905575, 986975, 1597105, 2374075, 3513631, 7985525, 17568155, 87840775]

約数ペア:

[(1, 87840775), (5, 17568155), (11, 7985525), (25, 3513631), (37, 2374075), (55, 1597105), (89, 986975), (97, 905575), (185, 474815), (275, 319421), (407, 215825), (445, 197395), (485, 181115), (925, 94963), (979, 89725), (1067, 82325), (2035, 43165), (2225, 39479), (2425, 36223), (3293, 26675), (3589, 24475), (4895, 17945), (5335, 16465), (8633, 10175)]