826130320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{4129}}^1$

素因数の和:4244

約数の個数: 80

約数和(自身を含む): 2000340720

約数和(自身を除く): 1174210400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 61, 80, 82, 122, 164, 205, 244, 305, 328, 410, 488, 610, 656, 820, 976, 1220, 1640, 2440, 2501, 3280, 4129, 4880, 5002, 8258, 10004, 12505, 16516, 20008, 20645, 25010, 33032, 40016, 41290, 50020, 66064, 82580, 100040, 165160, 169289, 200080, 251869, 330320, 338578, 503738, 677156, 846445, 1007476, 1259345, 1354312, 1692890, 2014952, 2518690, 2708624, 3385780, 4029904, 5037380, 6771560, 10074760, 10326629, 13543120, 20149520, 20653258, 41306516, 51633145, 82613032, 103266290, 165226064, 206532580, 413065160, 826130320]

約数ペア:

[(1, 826130320), (2, 413065160), (4, 206532580), (5, 165226064), (8, 103266290), (10, 82613032), (16, 51633145), (20, 41306516), (40, 20653258), (41, 20149520), (61, 13543120), (80, 10326629), (82, 10074760), (122, 6771560), (164, 5037380), (205, 4029904), (244, 3385780), (305, 2708624), (328, 2518690), (410, 2014952), (488, 1692890), (610, 1354312), (656, 1259345), (820, 1007476), (976, 846445), (1220, 677156), (1640, 503738), (2440, 338578), (2501, 330320), (3280, 251869), (4129, 200080), (4880, 169289), (5002, 165160), (8258, 100040), (10004, 82580), (12505, 66064), (16516, 50020), (20008, 41290), (20645, 40016), (25010, 33032)]