2097680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2017}}^1$

素因数の和:2043

約数の個数: 40

約数和(自身を含む): 5254872

約数和(自身を除く): 3157192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2017, 4034, 8068, 10085, 16136, 20170, 26221, 32272, 40340, 52442, 80680, 104884, 131105, 161360, 209768, 262210, 419536, 524420, 1048840, 2097680]

約数ペア:

[(1, 2097680), (2, 1048840), (4, 524420), (5, 419536), (8, 262210), (10, 209768), (13, 161360), (16, 131105), (20, 104884), (26, 80680), (40, 52442), (52, 40340), (65, 32272), (80, 26221), (104, 20170), (130, 16136), (208, 10085), (260, 8068), (520, 4034), (1040, 2017)]