172904120

素因数分解:

$2^3\times 5^1\times {\mathrm{4322603}}^1$

素因数の和:4322614

約数の個数: 16

約数和(自身を含む): 389034360

約数和(自身を除く): 216130240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4322603, 8645206, 17290412, 21613015, 34580824, 43226030, 86452060, 172904120]

約数ペア:

[(1, 172904120), (2, 86452060), (4, 43226030), (5, 34580824), (8, 21613015), (10, 17290412), (20, 8645206), (40, 4322603)]