2019074480

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{2311}}^1$

素因数の和:2554

約数の個数: 80

約数和(自身を含む): 4795716864

約数和(自身を除く): 2776642384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 163, 268, 326, 335, 536, 652, 670, 815, 1072, 1304, 1340, 1630, 2311, 2608, 2680, 3260, 4622, 5360, 6520, 9244, 10921, 11555, 13040, 18488, 21842, 23110, 36976, 43684, 46220, 54605, 87368, 92440, 109210, 154837, 174736, 184880, 218420, 309674, 376693, 436840, 619348, 753386, 774185, 873680, 1238696, 1506772, 1548370, 1883465, 2477392, 3013544, 3096740, 3766930, 6027088, 6193480, 7533860, 12386960, 15067720, 25238431, 30135440, 50476862, 100953724, 126192155, 201907448, 252384310, 403814896, 504768620, 1009537240, 2019074480]

約数ペア:

[(1, 2019074480), (2, 1009537240), (4, 504768620), (5, 403814896), (8, 252384310), (10, 201907448), (16, 126192155), (20, 100953724), (40, 50476862), (67, 30135440), (80, 25238431), (134, 15067720), (163, 12386960), (268, 7533860), (326, 6193480), (335, 6027088), (536, 3766930), (652, 3096740), (670, 3013544), (815, 2477392), (1072, 1883465), (1304, 1548370), (1340, 1506772), (1630, 1238696), (2311, 873680), (2608, 774185), (2680, 753386), (3260, 619348), (4622, 436840), (5360, 376693), (6520, 309674), (9244, 218420), (10921, 184880), (11555, 174736), (13040, 154837), (18488, 109210), (21842, 92440), (23110, 87368), (36976, 54605), (43684, 46220)]