164586140

素因数分解:

$2^2\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{3989}}^1$

素因数の和:6061

約数の個数: 24

約数和(自身を含む): 345885120

約数和(自身を除く): 181298980

約数列:

[1, 2, 4, 5, 10, 20, 2063, 3989, 4126, 7978, 8252, 10315, 15956, 19945, 20630, 39890, 41260, 79780, 8229307, 16458614, 32917228, 41146535, 82293070, 164586140]

約数ペア:

[(1, 164586140), (2, 82293070), (4, 41146535), (5, 32917228), (10, 16458614), (20, 8229307), (2063, 79780), (3989, 41260), (4126, 39890), (7978, 20630), (8252, 19945), (10315, 15956)]