82049680

素因数分解:

$2^4\times 5^1\times {\mathrm{1025621}}^1$

素因数の和:1025634

約数の個数: 20

約数和(自身を含む): 190765692

約数和(自身を除く): 108716012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1025621, 2051242, 4102484, 5128105, 8204968, 10256210, 16409936, 20512420, 41024840, 82049680]

約数ペア:

[(1, 82049680), (2, 41024840), (4, 20512420), (5, 16409936), (8, 10256210), (10, 8204968), (16, 5128105), (20, 4102484), (40, 2051242), (80, 1025621)]