20190136040

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1028011}}^1$

素因数の和:1028513

約数の個数: 32

約数和(自身を含む): 45520371360

約数和(自身を除く): 25330235320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 19640, 1028011, 2056022, 4112044, 5140055, 8224088, 10280110, 20560220, 41120440, 504753401, 1009506802, 2019013604, 2523767005, 4038027208, 5047534010, 10095068020, 20190136040]

約数ペア:

[(1, 20190136040), (2, 10095068020), (4, 5047534010), (5, 4038027208), (8, 2523767005), (10, 2019013604), (20, 1009506802), (40, 504753401), (491, 41120440), (982, 20560220), (1964, 10280110), (2455, 8224088), (3928, 5140055), (4910, 4112044), (9820, 2056022), (19640, 1028011)]