80019888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128237}}^1$

素因数の和:128261

約数の個数: 40

約数和(自身を含む): 222621168

約数和(自身を除く): 142601280

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 128237, 256474, 384711, 512948, 769422, 1025896, 1538844, 1667081, 2051792, 3077688, 3334162, 5001243, 6155376, 6668324, 10002486, 13336648, 20004972, 26673296, 40009944, 80019888]

約数ペア:

[(1, 80019888), (2, 40009944), (3, 26673296), (4, 20004972), (6, 13336648), (8, 10002486), (12, 6668324), (13, 6155376), (16, 5001243), (24, 3334162), (26, 3077688), (39, 2051792), (48, 1667081), (52, 1538844), (78, 1025896), (104, 769422), (156, 512948), (208, 384711), (312, 256474), (624, 128237)]