2038049680

素因数分解:

$2^4\times 5^1\times {\mathrm{25475621}}^1$

素因数の和:25475634

約数の個数: 20

約数和(自身を含む): 4738465692

約数和(自身を除く): 2700416012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25475621, 50951242, 101902484, 127378105, 203804968, 254756210, 407609936, 509512420, 1019024840, 2038049680]

約数ペア:

[(1, 2038049680), (2, 1019024840), (4, 509512420), (5, 407609936), (8, 254756210), (10, 203804968), (16, 127378105), (20, 101902484), (40, 50951242), (80, 25475621)]