156720860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191123}}^1$

素因数の和:191173

約数の個数: 24

約数和(自身を含む): 337142736

約数和(自身を除く): 180421876

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 191123, 382246, 764492, 955615, 1911230, 3822460, 7836043, 15672086, 31344172, 39180215, 78360430, 156720860]

約数ペア:

[(1, 156720860), (2, 78360430), (4, 39180215), (5, 31344172), (10, 15672086), (20, 7836043), (41, 3822460), (82, 1911230), (164, 955615), (205, 764492), (410, 382246), (820, 191123)]