889732840

素因数分解:

$2^3\times 5^1\times {\mathrm{22243321}}^1$

素因数の和:22243332

約数の個数: 16

約数和(自身を含む): 2001898980

約数和(自身を除く): 1112166140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22243321, 44486642, 88973284, 111216605, 177946568, 222433210, 444866420, 889732840]

約数ペア:

[(1, 889732840), (2, 444866420), (4, 222433210), (5, 177946568), (8, 111216605), (10, 88973284), (20, 44486642), (40, 22243321)]