80097680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77017}}^1$

素因数の和:77043

約数の個数: 40

約数和(自身を含む): 200554872

約数和(自身を除く): 120457192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 77017, 154034, 308068, 385085, 616136, 770170, 1001221, 1232272, 1540340, 2002442, 3080680, 4004884, 5006105, 6161360, 8009768, 10012210, 16019536, 20024420, 40048840, 80097680]

約数ペア:

[(1, 80097680), (2, 40048840), (4, 20024420), (5, 16019536), (8, 10012210), (10, 8009768), (13, 6161360), (16, 5006105), (20, 4004884), (26, 3080680), (40, 2002442), (52, 1540340), (65, 1232272), (80, 1001221), (104, 770170), (130, 616136), (208, 385085), (260, 308068), (520, 154034), (1040, 77017)]