80001460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51949}}^1$

素因数の和:51976

約数の個数: 48

約数和(自身を含む): 209462400

約数和(自身を除く): 129460940

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, 51949, 103898, 207796, 259745, 363643, 519490, 571439, 727286, 1038980, 1142878, 1454572, 1818215, 2285756, 2857195, 3636430, 4000073, 5714390, 7272860, 8000146, 11428780, 16000292, 20000365, 40000730, 80001460]

約数ペア:

[(1, 80001460), (2, 40000730), (4, 20000365), (5, 16000292), (7, 11428780), (10, 8000146), (11, 7272860), (14, 5714390), (20, 4000073), (22, 3636430), (28, 2857195), (35, 2285756), (44, 1818215), (55, 1454572), (70, 1142878), (77, 1038980), (110, 727286), (140, 571439), (154, 519490), (220, 363643), (308, 259745), (385, 207796), (770, 103898), (1540, 51949)]