2575119440

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1\times {\mathrm{499}}^1$

素因数の和:1020

約数の個数: 80

約数和(自身を含む): 6046488000

約数和(自身を除く): 3471368560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 257, 499, 502, 514, 998, 1004, 1028, 1255, 1285, 1996, 2008, 2056, 2495, 2510, 2570, 3992, 4016, 4112, 4990, 5020, 5140, 7984, 9980, 10040, 10280, 19960, 20080, 20560, 39920, 64507, 125249, 128243, 129014, 250498, 256486, 258028, 322535, 500996, 512972, 516056, 626245, 641215, 645070, 1001992, 1025944, 1032112, 1252490, 1282430, 1290140, 2003984, 2051888, 2504980, 2564860, 2580280, 5009960, 5129720, 5160560, 10019920, 10259440, 32188993, 64377986, 128755972, 160944965, 257511944, 321889930, 515023888, 643779860, 1287559720, 2575119440]

約数ペア:

[(1, 2575119440), (2, 1287559720), (4, 643779860), (5, 515023888), (8, 321889930), (10, 257511944), (16, 160944965), (20, 128755972), (40, 64377986), (80, 32188993), (251, 10259440), (257, 10019920), (499, 5160560), (502, 5129720), (514, 5009960), (998, 2580280), (1004, 2564860), (1028, 2504980), (1255, 2051888), (1285, 2003984), (1996, 1290140), (2008, 1282430), (2056, 1252490), (2495, 1032112), (2510, 1025944), (2570, 1001992), (3992, 645070), (4016, 641215), (4112, 626245), (4990, 516056), (5020, 512972), (5140, 500996), (7984, 322535), (9980, 258028), (10040, 256486), (10280, 250498), (19960, 129014), (20080, 128243), (20560, 125249), (39920, 64507)]