66546520

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{3181}}^1$

素因数の和:3715

約数の個数: 32

約数和(自身を含む): 150063120

約数和(自身を除く): 83516600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 3181, 4184, 5230, 6362, 10460, 12724, 15905, 20920, 25448, 31810, 63620, 127240, 1663663, 3327326, 6654652, 8318315, 13309304, 16636630, 33273260, 66546520]

約数ペア:

[(1, 66546520), (2, 33273260), (4, 16636630), (5, 13309304), (8, 8318315), (10, 6654652), (20, 3327326), (40, 1663663), (523, 127240), (1046, 63620), (2092, 31810), (2615, 25448), (3181, 20920), (4184, 15905), (5230, 12724), (6362, 10460)]