169568240

素因数分解:

$2^4\times 5^1\times {\mathrm{2119603}}^1$

素因数の和:2119616

約数の個数: 20

約数和(自身を含む): 394246344

約数和(自身を除く): 224678104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2119603, 4239206, 8478412, 10598015, 16956824, 21196030, 33913648, 42392060, 84784120, 169568240]

約数ペア:

[(1, 169568240), (2, 84784120), (4, 42392060), (5, 33913648), (8, 21196030), (10, 16956824), (16, 10598015), (20, 8478412), (40, 4239206), (80, 2119603)]