39890140

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{2029}}^1$

素因数の和:3021

約数の個数: 24

約数和(自身を含む): 83895840

約数和(自身を除く): 44005700

約数列:

[1, 2, 4, 5, 10, 20, 983, 1966, 2029, 3932, 4058, 4915, 8116, 9830, 10145, 19660, 20290, 40580, 1994507, 3989014, 7978028, 9972535, 19945070, 39890140]

約数ペア:

[(1, 39890140), (2, 19945070), (4, 9972535), (5, 7978028), (10, 3989014), (20, 1994507), (983, 40580), (1966, 20290), (2029, 19660), (3932, 10145), (4058, 9830), (4915, 8116)]