18625414520

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{653}}^1\times {\mathrm{1429}}^1$

素因数の和:2592

約数の個数: 64

約数和(自身を含む): 42084900000

約数和(自身を除く): 23459485480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 653, 998, 1306, 1429, 1996, 2495, 2612, 2858, 3265, 3992, 4990, 5224, 5716, 6530, 7145, 9980, 11432, 13060, 14290, 19960, 26120, 28580, 57160, 325847, 651694, 713071, 933137, 1303388, 1426142, 1629235, 1866274, 2606776, 2852284, 3258470, 3565355, 3732548, 4665685, 5704568, 6516940, 7130710, 7465096, 9331370, 13033880, 14261420, 18662740, 28522840, 37325480, 465635363, 931270726, 1862541452, 2328176815, 3725082904, 4656353630, 9312707260, 18625414520]

約数ペア:

[(1, 18625414520), (2, 9312707260), (4, 4656353630), (5, 3725082904), (8, 2328176815), (10, 1862541452), (20, 931270726), (40, 465635363), (499, 37325480), (653, 28522840), (998, 18662740), (1306, 14261420), (1429, 13033880), (1996, 9331370), (2495, 7465096), (2612, 7130710), (2858, 6516940), (3265, 5704568), (3992, 4665685), (4990, 3732548), (5224, 3565355), (5716, 3258470), (6530, 2852284), (7145, 2606776), (9980, 1866274), (11432, 1629235), (13060, 1426142), (14290, 1303388), (19960, 933137), (26120, 713071), (28580, 651694), (57160, 325847)]