80565538880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13250911}}^1$

素因数の和:13250947

約数の個数: 56

約数和(自身を含む): 201943898880

約数和(自身を除く): 121378360000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 13250911, 26501822, 53003644, 66254555, 106007288, 132509110, 212014576, 251767309, 265018220, 424029152, 503534618, 530036440, 848058304, 1007069236, 1060072880, 1258836545, 2014138472, 2120145760, 2517673090, 4028276944, 4240291520, 5035346180, 8056553888, 10070692360, 16113107776, 20141384720, 40282769440, 80565538880]

約数ペア:

[(1, 80565538880), (2, 40282769440), (4, 20141384720), (5, 16113107776), (8, 10070692360), (10, 8056553888), (16, 5035346180), (19, 4240291520), (20, 4028276944), (32, 2517673090), (38, 2120145760), (40, 2014138472), (64, 1258836545), (76, 1060072880), (80, 1007069236), (95, 848058304), (152, 530036440), (160, 503534618), (190, 424029152), (304, 265018220), (320, 251767309), (380, 212014576), (608, 132509110), (760, 106007288), (1216, 66254555), (1520, 53003644), (3040, 26501822), (6080, 13250911)]