85649680

素因数分解:

$2^4\times 5^1\times {\mathrm{1070621}}^1$

素因数の和:1070634

約数の個数: 20

約数和(自身を含む): 199135692

約数和(自身を除く): 113486012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1070621, 2141242, 4282484, 5353105, 8564968, 10706210, 17129936, 21412420, 42824840, 85649680]

約数ペア:

[(1, 85649680), (2, 42824840), (4, 21412420), (5, 17129936), (8, 10706210), (10, 8564968), (16, 5353105), (20, 4282484), (40, 2141242), (80, 1070621)]