39807780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{663463}}^1$

素因数の和:663475

約数の個数: 24

約数和(自身を含む): 111461952

約数和(自身を除く): 71654172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 663463, 1326926, 1990389, 2653852, 3317315, 3980778, 6634630, 7961556, 9951945, 13269260, 19903890, 39807780]

約数ペア:

[(1, 39807780), (2, 19903890), (3, 13269260), (4, 9951945), (5, 7961556), (6, 6634630), (10, 3980778), (12, 3317315), (15, 2653852), (20, 1990389), (30, 1326926), (60, 663463)]