16364840

素因数分解:

$2^3\times 5^1\times {\mathrm{409121}}^1$

素因数の和:409132

約数の個数: 16

約数和(自身を含む): 36820980

約数和(自身を除く): 20456140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409121, 818242, 1636484, 2045605, 3272968, 4091210, 8182420, 16364840]

約数ペア:

[(1, 16364840), (2, 8182420), (4, 4091210), (5, 3272968), (8, 2045605), (10, 1636484), (20, 818242), (40, 409121)]