2019947703680

素因数分解:

$2^7\times 5^1\times {\mathrm{2239}}^1\times {\mathrm{1409633}}^1$

素因数の和:1411891

約数の個数: 64

約数和(自身を含む): 4831097644800

約数和(自身を除く): 2811149941120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2239, 4478, 8956, 11195, 17912, 22390, 35824, 44780, 71648, 89560, 143296, 179120, 286592, 358240, 716480, 1409633, 1432960, 2819266, 5638532, 7048165, 11277064, 14096330, 22554128, 28192660, 45108256, 56385320, 90216512, 112770640, 180433024, 225541280, 451082560, 902165120, 3156168287, 6312336574, 12624673148, 15780841435, 25249346296, 31561682870, 50498692592, 63123365740, 100997385184, 126246731480, 201994770368, 252493462960, 403989540736, 504986925920, 1009973851840, 2019947703680]

約数ペア:

[(1, 2019947703680), (2, 1009973851840), (4, 504986925920), (5, 403989540736), (8, 252493462960), (10, 201994770368), (16, 126246731480), (20, 100997385184), (32, 63123365740), (40, 50498692592), (64, 31561682870), (80, 25249346296), (128, 15780841435), (160, 12624673148), (320, 6312336574), (640, 3156168287), (2239, 902165120), (4478, 451082560), (8956, 225541280), (11195, 180433024), (17912, 112770640), (22390, 90216512), (35824, 56385320), (44780, 45108256), (71648, 28192660), (89560, 22554128), (143296, 14096330), (179120, 11277064), (286592, 7048165), (358240, 5638532), (716480, 2819266), (1409633, 1432960)]