385909240

素因数分解:

$2^3\times 5^1\times {\mathrm{9647731}}^1$

素因数の和:9647742

約数の個数: 16

約数和(自身を含む): 868295880

約数和(自身を除く): 482386640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9647731, 19295462, 38590924, 48238655, 77181848, 96477310, 192954620, 385909240]

約数ペア:

[(1, 385909240), (2, 192954620), (4, 96477310), (5, 77181848), (8, 48238655), (10, 38590924), (20, 19295462), (40, 9647731)]