1531820

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 3241728

約数和(自身を除く): 1709908

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 401, 764, 802, 955, 1604, 1910, 2005, 3820, 4010, 8020, 76591, 153182, 306364, 382955, 765910, 1531820]

約数ペア:

[(1, 1531820), (2, 765910), (4, 382955), (5, 306364), (10, 153182), (20, 76591), (191, 8020), (382, 4010), (401, 3820), (764, 2005), (802, 1910), (955, 1604)]