4178120

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1559}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 9547200

約数和(自身を除く): 5369080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 1559, 2680, 3118, 6236, 7795, 12472, 15590, 31180, 62360, 104453, 208906, 417812, 522265, 835624, 1044530, 2089060, 4178120]

約数ペア:

[(1, 4178120), (2, 2089060), (4, 1044530), (5, 835624), (8, 522265), (10, 417812), (20, 208906), (40, 104453), (67, 62360), (134, 31180), (268, 15590), (335, 12472), (536, 7795), (670, 6236), (1340, 3118), (1559, 2680)]