1277736700880

素因数分解:

$2^4\times 5^1\times {\mathrm{15971708761}}^1$

素因数の和:15971708774

約数の個数: 20

約数和(自身を含む): 2970737829732

約数和(自身を除く): 1693001128852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15971708761, 31943417522, 63886835044, 79858543805, 127773670088, 159717087610, 255547340176, 319434175220, 638868350440, 1277736700880]

約数ペア:

[(1, 1277736700880), (2, 638868350440), (4, 319434175220), (5, 255547340176), (8, 159717087610), (10, 127773670088), (16, 79858543805), (20, 63886835044), (40, 31943417522), (80, 15971708761)]