66145375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 86935680

約数和(自身を除く): 20790305

約数列:

[1, 5, 25, 29, 71, 125, 145, 257, 355, 725, 1285, 1775, 2059, 3625, 6425, 7453, 8875, 10295, 18247, 32125, 37265, 51475, 91235, 186325, 257375, 456175, 529163, 931625, 2280875, 2645815, 13229075, 66145375]

約数ペア:

[(1, 66145375), (5, 13229075), (25, 2645815), (29, 2280875), (71, 931625), (125, 529163), (145, 456175), (257, 257375), (355, 186325), (725, 91235), (1285, 51475), (1775, 37265), (2059, 32125), (3625, 18247), (6425, 10295), (7453, 8875)]