2049680

素因数分解:

$2^4\times 5^1\times {\mathrm{25621}}^1$

素因数の和:25634

約数の個数: 20

約数和(自身を含む): 4765692

約数和(自身を除く): 2716012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25621, 51242, 102484, 128105, 204968, 256210, 409936, 512420, 1024840, 2049680]

約数ペア:

[(1, 2049680), (2, 1024840), (4, 512420), (5, 409936), (8, 256210), (10, 204968), (16, 128105), (20, 102484), (40, 51242), (80, 25621)]