3967420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1217}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 8389584

約数和(自身を除く): 4422164

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1217, 1630, 2434, 3260, 4868, 6085, 12170, 24340, 198371, 396742, 793484, 991855, 1983710, 3967420]

約数ペア:

[(1, 3967420), (2, 1983710), (4, 991855), (5, 793484), (10, 396742), (20, 198371), (163, 24340), (326, 12170), (652, 6085), (815, 4868), (1217, 3260), (1630, 2434)]