84257680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81017}}^1$

素因数の和:81043

約数の個数: 40

約数和(自身を含む): 210970872

約数和(自身を除く): 126713192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 81017, 162034, 324068, 405085, 648136, 810170, 1053221, 1296272, 1620340, 2106442, 3240680, 4212884, 5266105, 6481360, 8425768, 10532210, 16851536, 21064420, 42128840, 84257680]

約数ペア:

[(1, 84257680), (2, 42128840), (4, 21064420), (5, 16851536), (8, 10532210), (10, 8425768), (13, 6481360), (16, 5266105), (20, 4212884), (26, 3240680), (40, 2106442), (52, 1620340), (65, 1296272), (80, 1053221), (104, 810170), (130, 648136), (208, 405085), (260, 324068), (520, 162034), (1040, 81017)]