97915640

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{2521}}^1$

素因数の和:3503

約数の個数: 32

約数和(自身を含む): 220624560

約数和(自身を除く): 122708920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 2521, 3884, 4855, 5042, 7768, 9710, 10084, 12605, 19420, 20168, 25210, 38840, 50420, 100840, 2447891, 4895782, 9791564, 12239455, 19583128, 24478910, 48957820, 97915640]

約数ペア:

[(1, 97915640), (2, 48957820), (4, 24478910), (5, 19583128), (8, 12239455), (10, 9791564), (20, 4895782), (40, 2447891), (971, 100840), (1942, 50420), (2521, 38840), (3884, 25210), (4855, 20168), (5042, 19420), (7768, 12605), (9710, 10084)]