86537240

素因数分解:

$2^3\times 5^1\times {\mathrm{2163431}}^1$

素因数の和:2163442

約数の個数: 16

約数和(自身を含む): 194708880

約数和(自身を除く): 108171640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2163431, 4326862, 8653724, 10817155, 17307448, 21634310, 43268620, 86537240]

約数ペア:

[(1, 86537240), (2, 43268620), (4, 21634310), (5, 17307448), (8, 10817155), (10, 8653724), (20, 4326862), (40, 2163431)]