171569680

素因数分解:

$2^4\times 5^1\times {\mathrm{2144621}}^1$

素因数の和:2144634

約数の個数: 20

約数和(自身を含む): 398899692

約数和(自身を除く): 227330012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2144621, 4289242, 8578484, 10723105, 17156968, 21446210, 34313936, 42892420, 85784840, 171569680]

約数ペア:

[(1, 171569680), (2, 85784840), (4, 42892420), (5, 34313936), (8, 21446210), (10, 17156968), (16, 10723105), (20, 8578484), (40, 4289242), (80, 2144621)]