12871265720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10380053}}^1$

素因数の和:10380095

約数の個数: 32

約数和(自身を含む): 29894555520

約数和(自身を除く): 17023289800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10380053, 20760106, 41520212, 51900265, 83040424, 103800530, 207601060, 321781643, 415202120, 643563286, 1287126572, 1608908215, 2574253144, 3217816430, 6435632860, 12871265720]

約数ペア:

[(1, 12871265720), (2, 6435632860), (4, 3217816430), (5, 2574253144), (8, 1608908215), (10, 1287126572), (20, 643563286), (31, 415202120), (40, 321781643), (62, 207601060), (124, 103800530), (155, 83040424), (248, 51900265), (310, 41520212), (620, 20760106), (1240, 10380053)]