39660680

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9817}}^1$

素因数の和:9929

約数の個数: 32

約数和(自身を含む): 90129240

約数和(自身を除く): 50468560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 9817, 19634, 39268, 49085, 78536, 98170, 196340, 392680, 991517, 1983034, 3966068, 4957585, 7932136, 9915170, 19830340, 39660680]

約数ペア:

[(1, 39660680), (2, 19830340), (4, 9915170), (5, 7932136), (8, 4957585), (10, 3966068), (20, 1983034), (40, 991517), (101, 392680), (202, 196340), (404, 98170), (505, 78536), (808, 49085), (1010, 39268), (2020, 19634), (4040, 9817)]