87120205

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 114255360

約数和(自身を除く): 27135155

約数列:

[1, 5, 23, 29, 115, 145, 151, 173, 667, 755, 865, 3335, 3473, 3979, 4379, 5017, 17365, 19895, 21895, 25085, 26123, 100717, 115391, 130615, 503585, 576955, 600829, 757567, 3004145, 3787835, 17424041, 87120205]

約数ペア:

[(1, 87120205), (5, 17424041), (23, 3787835), (29, 3004145), (115, 757567), (145, 600829), (151, 576955), (173, 503585), (667, 130615), (755, 115391), (865, 100717), (3335, 26123), (3473, 25085), (3979, 21895), (4379, 19895), (5017, 17365)]