1109969680

素因数分解:

$2^4\times 5^1\times {\mathrm{13874621}}^1$

素因数の和:13874634

約数の個数: 20

約数和(自身を含む): 2580679692

約数和(自身を除く): 1470710012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13874621, 27749242, 55498484, 69373105, 110996968, 138746210, 221993936, 277492420, 554984840, 1109969680]

約数ペア:

[(1, 1109969680), (2, 554984840), (4, 277492420), (5, 221993936), (8, 138746210), (10, 110996968), (16, 69373105), (20, 55498484), (40, 27749242), (80, 13874621)]