81381292240

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{176089}}^1$

素因数の和:176264

約数の個数: 80

約数和(自身を含む): 194551275600

約数和(自身を除く): 113169983360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 109, 212, 218, 265, 424, 436, 530, 545, 848, 872, 1060, 1090, 1744, 2120, 2180, 4240, 4360, 5777, 8720, 11554, 23108, 28885, 46216, 57770, 92432, 115540, 176089, 231080, 352178, 462160, 704356, 880445, 1408712, 1760890, 2817424, 3521780, 7043560, 9332717, 14087120, 18665434, 19193701, 37330868, 38387402, 46663585, 74661736, 76774804, 93327170, 95968505, 149323472, 153549608, 186654340, 191937010, 307099216, 373308680, 383874020, 746617360, 767748040, 1017266153, 1535496080, 2034532306, 4069064612, 5086330765, 8138129224, 10172661530, 16276258448, 20345323060, 40690646120, 81381292240]

約数ペア:

[(1, 81381292240), (2, 40690646120), (4, 20345323060), (5, 16276258448), (8, 10172661530), (10, 8138129224), (16, 5086330765), (20, 4069064612), (40, 2034532306), (53, 1535496080), (80, 1017266153), (106, 767748040), (109, 746617360), (212, 383874020), (218, 373308680), (265, 307099216), (424, 191937010), (436, 186654340), (530, 153549608), (545, 149323472), (848, 95968505), (872, 93327170), (1060, 76774804), (1090, 74661736), (1744, 46663585), (2120, 38387402), (2180, 37330868), (4240, 19193701), (4360, 18665434), (5777, 14087120), (8720, 9332717), (11554, 7043560), (23108, 3521780), (28885, 2817424), (46216, 1760890), (57770, 1408712), (92432, 880445), (115540, 704356), (176089, 462160), (231080, 352178)]