139002520

素因数分解:

$2^3\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{2531}}^1$

素因数の和:3915

約数の個数: 32

約数和(自身を含む): 313107120

約数和(自身を除く): 174104600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1373, 2531, 2746, 5062, 5492, 6865, 10124, 10984, 12655, 13730, 20248, 25310, 27460, 50620, 54920, 101240, 3475063, 6950126, 13900252, 17375315, 27800504, 34750630, 69501260, 139002520]

約数ペア:

[(1, 139002520), (2, 69501260), (4, 34750630), (5, 27800504), (8, 17375315), (10, 13900252), (20, 6950126), (40, 3475063), (1373, 101240), (2531, 54920), (2746, 50620), (5062, 27460), (5492, 25310), (6865, 20248), (10124, 13730), (10984, 12655)]