84258640

素因数分解:

$2^4\times 5^1\times {\mathrm{1053233}}^1$

素因数の和:1053246

約数の個数: 20

約数和(自身を含む): 195901524

約数和(自身を除く): 111642884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1053233, 2106466, 4212932, 5266165, 8425864, 10532330, 16851728, 21064660, 42129320, 84258640]

約数ペア:

[(1, 84258640), (2, 42129320), (4, 21064660), (5, 16851728), (8, 10532330), (10, 8425864), (16, 5266165), (20, 4212932), (40, 2106466), (80, 1053233)]