169512002780

素因数分解:

$2^2\times 5^1\times {\mathrm{8475600139}}^1$

素因数の和:8475600148

約数の個数: 12

約数和(自身を含む): 355975205880

約数和(自身を除く): 186463203100

約数列:

[1, 2, 4, 5, 10, 20, 8475600139, 16951200278, 33902400556, 42378000695, 84756001390, 169512002780]

約数ペア:

[(1, 169512002780), (2, 84756001390), (4, 42378000695), (5, 33902400556), (10, 16951200278), (20, 8475600139)]