6712840

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{653}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 15185880

約数和(自身を除く): 8473040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 653, 1028, 1285, 1306, 2056, 2570, 2612, 3265, 5140, 5224, 6530, 10280, 13060, 26120, 167821, 335642, 671284, 839105, 1342568, 1678210, 3356420, 6712840]

約数ペア:

[(1, 6712840), (2, 3356420), (4, 1678210), (5, 1342568), (8, 839105), (10, 671284), (20, 335642), (40, 167821), (257, 26120), (514, 13060), (653, 10280), (1028, 6530), (1285, 5224), (1306, 5140), (2056, 3265), (2570, 2612)]