13408780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8707}}^1$

素因数の和:8734

約数の個数: 48

約数和(自身を含む): 35110656

約数和(自身を除く): 21701876

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 8707, 17414, 34828, 43535, 60949, 87070, 95777, 121898, 174140, 191554, 243796, 304745, 383108, 478885, 609490, 670439, 957770, 1218980, 1340878, 1915540, 2681756, 3352195, 6704390, 13408780]

約数ペア:

[(1, 13408780), (2, 6704390), (4, 3352195), (5, 2681756), (7, 1915540), (10, 1340878), (11, 1218980), (14, 957770), (20, 670439), (22, 609490), (28, 478885), (35, 383108), (44, 304745), (55, 243796), (70, 191554), (77, 174140), (110, 121898), (140, 95777), (154, 87070), (220, 60949), (308, 43535), (385, 34828), (770, 17414), (1540, 8707)]