2562139720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{90599}}^1$

素因数の和:90718

約数の個数: 64

約数和(自身を含む): 6653664000

約数和(自身を除く): 4091524280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2020, 2828, 3535, 4040, 5656, 7070, 14140, 28280, 90599, 181198, 362396, 452995, 634193, 724792, 905990, 1268386, 1811980, 2536772, 3170965, 3623960, 5073544, 6341930, 9150499, 12683860, 18300998, 25367720, 36601996, 45752495, 64053493, 73203992, 91504990, 128106986, 183009980, 256213972, 320267465, 366019960, 512427944, 640534930, 1281069860, 2562139720]

約数ペア:

[(1, 2562139720), (2, 1281069860), (4, 640534930), (5, 512427944), (7, 366019960), (8, 320267465), (10, 256213972), (14, 183009980), (20, 128106986), (28, 91504990), (35, 73203992), (40, 64053493), (56, 45752495), (70, 36601996), (101, 25367720), (140, 18300998), (202, 12683860), (280, 9150499), (404, 6341930), (505, 5073544), (707, 3623960), (808, 3170965), (1010, 2536772), (1414, 1811980), (2020, 1268386), (2828, 905990), (3535, 724792), (4040, 634193), (5656, 452995), (7070, 362396), (14140, 181198), (28280, 90599)]