67640875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:400

約数の個数: 32

約数和(自身を含む): 90417600

約数和(自身を除く): 22776725

約数列:

[1, 5, 17, 25, 85, 125, 139, 229, 425, 695, 1145, 2125, 2363, 3475, 3893, 5725, 11815, 17375, 19465, 28625, 31831, 59075, 97325, 159155, 295375, 486625, 541127, 795775, 2705635, 3978875, 13528175, 67640875]

約数ペア:

[(1, 67640875), (5, 13528175), (17, 3978875), (25, 2705635), (85, 795775), (125, 541127), (139, 486625), (229, 295375), (425, 159155), (695, 97325), (1145, 59075), (2125, 31831), (2363, 28625), (3475, 19465), (3893, 17375), (5725, 11815)]