8432191640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{258023}}^1$

素因数の和:258096

約数の個数: 64

約数和(自身を含む): 20435500800

約数和(自身を除く): 12003309160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8170, 16340, 32680, 258023, 516046, 1032092, 1290115, 2064184, 2580230, 4902437, 5160460, 9804874, 10320920, 11094989, 19609748, 22189978, 24512185, 39219496, 44379956, 49024370, 55474945, 88759912, 98048740, 110949890, 196097480, 210804791, 221899780, 421609582, 443799560, 843219164, 1054023955, 1686438328, 2108047910, 4216095820, 8432191640]

約数ペア:

[(1, 8432191640), (2, 4216095820), (4, 2108047910), (5, 1686438328), (8, 1054023955), (10, 843219164), (19, 443799560), (20, 421609582), (38, 221899780), (40, 210804791), (43, 196097480), (76, 110949890), (86, 98048740), (95, 88759912), (152, 55474945), (172, 49024370), (190, 44379956), (215, 39219496), (344, 24512185), (380, 22189978), (430, 19609748), (760, 11094989), (817, 10320920), (860, 9804874), (1634, 5160460), (1720, 4902437), (3268, 2580230), (4085, 2064184), (6536, 1290115), (8170, 1032092), (16340, 516046), (32680, 258023)]