1656040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2179}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 3924000

約数和(自身を除く): 2267960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 2179, 4358, 8716, 10895, 17432, 21790, 41401, 43580, 82802, 87160, 165604, 207005, 331208, 414010, 828020, 1656040]

約数ペア:

[(1, 1656040), (2, 828020), (4, 414010), (5, 331208), (8, 207005), (10, 165604), (19, 87160), (20, 82802), (38, 43580), (40, 41401), (76, 21790), (95, 17432), (152, 10895), (190, 8716), (380, 4358), (760, 2179)]