66712060

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{12979}}^1$

素因数の和:13245

約数の個数: 24

約数和(自身を含む): 140651280

約数和(自身を除く): 73939220

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 12979, 25958, 51916, 64895, 129790, 259580, 3335603, 6671206, 13342412, 16678015, 33356030, 66712060]

約数ペア:

[(1, 66712060), (2, 33356030), (4, 16678015), (5, 13342412), (10, 6671206), (20, 3335603), (257, 259580), (514, 129790), (1028, 64895), (1285, 51916), (2570, 25958), (5140, 12979)]