28669840

素因数分解:

$2^4\times 5^1\times {\mathrm{358373}}^1$

素因数の和:358386

約数の個数: 20

約数和(自身を含む): 66657564

約数和(自身を除く): 37987724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 358373, 716746, 1433492, 1791865, 2866984, 3583730, 5733968, 7167460, 14334920, 28669840]

約数ペア:

[(1, 28669840), (2, 14334920), (4, 7167460), (5, 5733968), (8, 3583730), (10, 2866984), (16, 1791865), (20, 1433492), (40, 716746), (80, 358373)]